{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,8,2]],"date-time":"2025-08-02T05:25:20Z","timestamp":1754112320967},"reference-count":42,"publisher":"American Astronomical Society","issue":"2","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["ApJ"],"published-print":{"date-parts":[[2009,8,1]]},"DOI":"10.1088\/0004-637x\/700\/2\/1059","type":"journal-article","created":{"date-parts":[[2009,7,9]],"date-time":"2009-07-09T03:13:24Z","timestamp":1247109204000},"page":"1059-1066","source":"Crossref","is-referenced-by-count":44,"title":["PULSED GAMMA-RAYS FROM PSR J2021+3651 WITH THE<i>FERMI<\/i>LARGE AREA TELESCOPE"],"prefix":"10.3847","volume":"700","author":[{"given":"A. A.","family":"Abdo","sequence":"first","affiliation":[]},{"given":"M.","family":"Ackermann","sequence":"additional","affiliation":[]},{"given":"M.","family":"Ajello","sequence":"additional","affiliation":[]},{"given":"W. B.","family":"Atwood","sequence":"additional","affiliation":[]},{"given":"L.","family":"Baldini","sequence":"additional","affiliation":[]},{"given":"J.","family":"Ballet","sequence":"additional","affiliation":[]},{"given":"G.","family":"Barbiellini","sequence":"additional","affiliation":[]},{"given":"D.","family":"Bastieri","sequence":"additional","affiliation":[]},{"given":"M.","family":"Battelino","sequence":"additional","affiliation":[]},{"given":"B. M.","family":"Baughman","sequence":"additional","affiliation":[]},{"given":"K.","family":"Bechtol","sequence":"additional","affiliation":[]},{"given":"R.","family":"Bellazzini","sequence":"additional","affiliation":[]},{"given":"B.","family":"Berenji","sequence":"additional","affiliation":[]},{"given":"E. D.","family":"Bloom","sequence":"additional","affiliation":[]},{"given":"G.","family":"Bogaert","sequence":"additional","affiliation":[]},{"given":"A. W.","family":"Borgland","sequence":"additional","affiliation":[]},{"given":"J.","family":"Bregeon","sequence":"additional","affiliation":[]},{"given":"A.","family":"Brez","sequence":"additional","affiliation":[]},{"given":"M.","family":"Brigida","sequence":"additional","affiliation":[]},{"given":"P.","family":"Bruel","sequence":"additional","affiliation":[]},{"given":"T. H.","family":"Burnett","sequence":"additional","affiliation":[]},{"given":"G. A.","family":"Caliandro","sequence":"additional","affiliation":[]},{"given":"R. A.","family":"Cameron","sequence":"additional","affiliation":[]},{"given":"F.","family":"Camilo","sequence":"additional","affiliation":[]},{"given":"P. A.","family":"Caraveo","sequence":"additional","affiliation":[]},{"given":"J. M.","family":"Casandjian","sequence":"additional","affiliation":[]},{"given":"C.","family":"Cecchi","sequence":"additional","affiliation":[]},{"given":"E.","family":"Charles","sequence":"additional","affiliation":[]},{"given":"A.","family":"Chekhtman","sequence":"additional","affiliation":[]},{"given":"A. W.","family":"Chen","sequence":"additional","affiliation":[]},{"given":"C. C.","family":"Cheung","sequence":"additional","affiliation":[]},{"given":"J.","family":"Chiang","sequence":"additional","affiliation":[]},{"given":"S.","family":"Ciprini","sequence":"additional","affiliation":[]},{"given":"I.","family":"Cognard","sequence":"additional","affiliation":[]},{"given":"J.","family":"Cohen-Tanugi","sequence":"additional","affiliation":[]},{"given":"L. R.","family":"Cominsky","sequence":"additional","affiliation":[]},{"given":"J.","family":"Conrad","sequence":"additional","affiliation":[]},{"given":"S.","family":"Cutini","sequence":"additional","affiliation":[]},{"given":"P.","family":"Demorest","sequence":"additional","affiliation":[]},{"given":"C. D.","family":"Dermer","sequence":"additional","affiliation":[]},{"given":"A.","family":"de Angelis","sequence":"additional","affiliation":[]},{"given":"A.","family":"de Luca","sequence":"additional","affiliation":[]},{"given":"F.","family":"de Palma","sequence":"additional","affiliation":[]},{"given":"S. W.","family":"Digel","sequence":"additional","affiliation":[]},{"given":"M.","family":"Dormody","sequence":"additional","affiliation":[]},{"given":"E.","family":"do Couto e Silva","sequence":"additional","affiliation":[]},{"given":"P. S.","family":"Drell","sequence":"additional","affiliation":[]},{"given":"R.","family":"Dubois","sequence":"additional","affiliation":[]},{"given":"D.","family":"Dumora","sequence":"additional","affiliation":[]},{"given":"C.","family":"Espinoza","sequence":"additional","affiliation":[]},{"given":"C.","family":"Farnier","sequence":"additional","affiliation":[]},{"given":"C.","family":"Favuzzi","sequence":"additional","affiliation":[]},{"given":"W. B.","family":"Focke","sequence":"additional","affiliation":[]},{"given":"M.","family":"Frailis","sequence":"additional","affiliation":[]},{"given":"P. C. C.","family":"Freire","sequence":"additional","affiliation":[]},{"given":"Y.","family":"Fukazawa","sequence":"additional","affiliation":[]},{"given":"S.","family":"Funk","sequence":"additional","affiliation":[]},{"given":"P.","family":"Fusco","sequence":"additional","affiliation":[]},{"given":"F.","family":"Gargano","sequence":"additional","affiliation":[]},{"given":"D.","family":"Gasparrini","sequence":"additional","affiliation":[]},{"given":"N.","family":"Gehrels","sequence":"additional","affiliation":[]},{"given":"S.","family":"Germani","sequence":"additional","affiliation":[]},{"given":"B.","family":"Giebels","sequence":"additional","affiliation":[]},{"given":"N.","family":"Giglietto","sequence":"additional","affiliation":[]},{"given":"F.","family":"Giordano","sequence":"additional","affiliation":[]},{"given":"T.","family":"Glanzman","sequence":"additional","affiliation":[]},{"given":"G.","family":"Godfrey","sequence":"additional","affiliation":[]},{"given":"I. A.","family":"Grenier","sequence":"additional","affiliation":[]},{"given":"M.-H.","family":"Grondin","sequence":"additional","affiliation":[]},{"given":"J. E.","family":"Grove","sequence":"additional","affiliation":[]},{"given":"L.","family":"Guillemot","sequence":"additional","affiliation":[]},{"given":"S.","family":"Guiriec","sequence":"additional","affiliation":[]},{"given":"Y.","family":"Hanabata","sequence":"additional","affiliation":[]},{"given":"A. K.","family":"Harding","sequence":"additional","affiliation":[]},{"given":"M.","family":"Hayashida","sequence":"additional","affiliation":[]},{"given":"E.","family":"Hays","sequence":"additional","affiliation":[]},{"given":"R. E.","family":"Hughes","sequence":"additional","affiliation":[]},{"given":"G.","family":"J\u00f3hannesson","sequence":"additional","affiliation":[]},{"given":"A. S.","family":"Johnson","sequence":"additional","affiliation":[]},{"given":"R. P.","family":"Johnson","sequence":"additional","affiliation":[]},{"given":"T. J.","family":"Johnson","sequence":"additional","affiliation":[]},{"given":"W. N.","family":"Johnson","sequence":"additional","affiliation":[]},{"given":"S.","family":"Johnston","sequence":"additional","affiliation":[]},{"given":"T.","family":"Kamae","sequence":"additional","affiliation":[]},{"given":"H.","family":"Katagiri","sequence":"additional","affiliation":[]},{"given":"J.","family":"Kataoka","sequence":"additional","affiliation":[]},{"given":"N.","family":"Kawai","sequence":"additional","affiliation":[]},{"given":"M.","family":"Kerr","sequence":"additional","affiliation":[]},{"given":"B.","family":"Kiziltan","sequence":"additional","affiliation":[]},{"given":"J.","family":"Kn\u00f6dlseder","sequence":"additional","affiliation":[]},{"given":"N.","family":"Komin","sequence":"additional","affiliation":[]},{"given":"M.","family":"Kramer","sequence":"additional","affiliation":[]},{"given":"F.","family":"Kuehn","sequence":"additional","affiliation":[]},{"given":"M.","family":"Kuss","sequence":"additional","affiliation":[]},{"given":"J.","family":"Lande","sequence":"additional","affiliation":[]},{"given":"L.","family":"Latronico","sequence":"additional","affiliation":[]},{"given":"S.-H.","family":"Lee","sequence":"additional","affiliation":[]},{"given":"M.","family":"Lemoine-Goumard","sequence":"additional","affiliation":[]},{"given":"F.","family":"Longo","sequence":"additional","affiliation":[]},{"given":"F.","family":"Loparco","sequence":"additional","affiliation":[]},{"given":"B.","family":"Lott","sequence":"additional","affiliation":[]},{"given":"M. N.","family":"Lovellette","sequence":"additional","affiliation":[]},{"given":"P.","family":"Lubrano","sequence":"additional","affiliation":[]},{"given":"A. G.","family":"Lyne","sequence":"additional","affiliation":[]},{"given":"A.","family":"Makeev","sequence":"additional","affiliation":[]},{"given":"R. N.","family":"Manchester","sequence":"additional","affiliation":[]},{"given":"M.","family":"Marelli","sequence":"additional","affiliation":[]},{"given":"M. N.","family":"Mazziotta","sequence":"additional","affiliation":[]},{"given":"W.","family":"McConville","sequence":"additional","affiliation":[]},{"given":"J. E.","family":"McEnery","sequence":"additional","affiliation":[]},{"given":"M. A.","family":"McLaughlin","sequence":"additional","affiliation":[]},{"given":"C.","family":"Meurer","sequence":"additional","affiliation":[]},{"given":"P. F.","family":"Michelson","sequence":"additional","affiliation":[]},{"given":"W.","family":"Mitthumsiri","sequence":"additional","affiliation":[]},{"given":"T.","family":"Mizuno","sequence":"additional","affiliation":[]},{"given":"A. A.","family":"Moiseev","sequence":"additional","affiliation":[]},{"given":"C.","family":"Monte","sequence":"additional","affiliation":[]},{"given":"M. E.","family":"Monzani","sequence":"additional","affiliation":[]},{"given":"A.","family":"Morselli","sequence":"additional","affiliation":[]},{"given":"I. V.","family":"Moskalenko","sequence":"additional","affiliation":[]},{"given":"S.","family":"Murgia","sequence":"additional","affiliation":[]},{"given":"P. L.","family":"Nolan","sequence":"additional","affiliation":[]},{"given":"A.","family":"Noutsos","sequence":"additional","affiliation":[]},{"given":"E.","family":"Nuss","sequence":"additional","affiliation":[]},{"given":"T.","family":"Ohsugi","sequence":"additional","affiliation":[]},{"given":"N.","family":"Omodei","sequence":"additional","affiliation":[]},{"given":"E.","family":"Orlando","sequence":"additional","affiliation":[]},{"given":"J. F.","family":"Ormes","sequence":"additional","affiliation":[]},{"given":"M.","family":"Ozaki","sequence":"additional","affiliation":[]},{"given":"D.","family":"Paneque","sequence":"additional","affiliation":[]},{"given":"J. H.","family":"Panetta","sequence":"additional","affiliation":[]},{"given":"D.","family":"Parent","sequence":"additional","affiliation":[]},{"given":"M.","family":"Pepe","sequence":"additional","affiliation":[]},{"given":"M.","family":"Pesce-Rollins","sequence":"additional","affiliation":[]},{"given":"F.","family":"Piron","sequence":"additional","affiliation":[]},{"given":"T. A.","family":"Porter","sequence":"additional","affiliation":[]},{"given":"S.","family":"Rain\u00f2","sequence":"additional","affiliation":[]},{"given":"R.","family":"Rando","sequence":"additional","affiliation":[]},{"given":"S. M.","family":"Ransom","sequence":"additional","affiliation":[]},{"given":"M.","family":"Razzano","sequence":"additional","affiliation":[]},{"given":"A.","family":"Reimer","sequence":"additional","affiliation":[]},{"given":"O.","family":"Reimer","sequence":"additional","affiliation":[]},{"given":"T.","family":"Reposeur","sequence":"additional","affiliation":[]},{"given":"S.","family":"Ritz","sequence":"additional","affiliation":[]},{"given":"L. S.","family":"Rochester","sequence":"additional","affiliation":[]},{"given":"A. Y.","family":"Rodriguez","sequence":"additional","affiliation":[]},{"given":"R. W.","family":"Romani","sequence":"additional","affiliation":[]},{"given":"F.","family":"Ryde","sequence":"additional","affiliation":[]},{"given":"H. F.-W.","family":"Sadrozinski","sequence":"additional","affiliation":[]},{"given":"D.","family":"Sanchez","sequence":"additional","affiliation":[]},{"given":"P. M. Saz","family":"Parkinson","sequence":"additional","affiliation":[]},{"given":"C.","family":"Sgr\u00f2","sequence":"additional","affiliation":[]},{"given":"A.","family":"Sierpowska-Bartosik","sequence":"additional","affiliation":[]},{"given":"E. J.","family":"Siskind","sequence":"additional","affiliation":[]},{"given":"D. A.","family":"Smith","sequence":"additional","affiliation":[]},{"given":"P. D.","family":"Smith","sequence":"additional","affiliation":[]},{"given":"G.","family":"Spandre","sequence":"additional","affiliation":[]},{"given":"P.","family":"Spinelli","sequence":"additional","affiliation":[]},{"given":"B. W.","family":"Stappers","sequence":"additional","affiliation":[]},{"given":"J.-L.","family":"Starck","sequence":"additional","affiliation":[]},{"given":"M. S.","family":"Strickman","sequence":"additional","affiliation":[]},{"given":"D. J.","family":"Suson","sequence":"additional","affiliation":[]},{"given":"H.","family":"Tajima","sequence":"additional","affiliation":[]},{"given":"H.","family":"Takahashi","sequence":"additional","affiliation":[]},{"given":"T.","family":"Takahashi","sequence":"additional","affiliation":[]},{"given":"T.","family":"Tanaka","sequence":"additional","affiliation":[]},{"given":"J. B.","family":"Thayer","sequence":"additional","affiliation":[]},{"given":"J. G.","family":"Thayer","sequence":"additional","affiliation":[]},{"given":"G.","family":"Theureau","sequence":"additional","affiliation":[]},{"given":"D. J.","family":"Thompson","sequence":"additional","affiliation":[]},{"given":"S. E.","family":"Thorsett","sequence":"additional","affiliation":[]},{"given":"L.","family":"Tibaldo","sequence":"additional","affiliation":[]},{"given":"D. F.","family":"Torres","sequence":"additional","affiliation":[]},{"given":"G.","family":"Tosti","sequence":"additional","affiliation":[]},{"given":"A.","family":"Tramacere","sequence":"additional","affiliation":[]},{"given":"Y.","family":"Uchiyama","sequence":"additional","affiliation":[]},{"given":"T. L.","family":"Usher","sequence":"additional","affiliation":[]},{"given":"A.","family":"Van Etten","sequence":"additional","affiliation":[]},{"given":"N.","family":"Vilchez","sequence":"additional","affiliation":[]},{"given":"V.","family":"Vitale","sequence":"additional","affiliation":[]},{"given":"A. P.","family":"Waite","sequence":"additional","affiliation":[]},{"given":"E.","family":"Wallace","sequence":"additional","affiliation":[]},{"given":"K.","family":"Watters","sequence":"additional","affiliation":[]},{"given":"P.","family":"Weltevrede","sequence":"additional","affiliation":[]},{"given":"K. S.","family":"Wood","sequence":"additional","affiliation":[]},{"given":"T.","family":"Ylinen","sequence":"additional","affiliation":[]},{"given":"M.","family":"Ziegler","sequence":"additional","affiliation":[]}],"member":"2208","published-online":{"date-parts":[[2009,7,8]]},"reference":[{"key":"1","doi-asserted-by":"publisher","DOI":"10.1126\/science.1165572"},{"key":"2","doi-asserted-by":"crossref","first-page":"1084","DOI":"10.1088\/0004-637X\/696\/2\/1084","volume":"696","author":"Abdo","year":"2009","journal-title":"ApJ","ISSN":"http:\/\/id.crossref.org\/issn\/0004-637X","issn-type":"print"},{"key":"3","doi-asserted-by":"publisher","DOI":"10.1051\/0004-6361:20053234"},{"key":"4","doi-asserted-by":"crossref","first-page":"1071","DOI":"10.1088\/0004-637X\/697\/2\/1071","volume":"697","author":"Atwood","year":"2009","journal-title":"ApJ","ISSN":"http:\/\/id.crossref.org\/issn\/0004-637X","issn-type":"print"},{"key":"5","doi-asserted-by":"crossref","first-page":"190","DOI":"10.1063\/1.2757300","author":"Baldini","year":"2007","journal-title":"Proc. 1st GLAST Symp. 921"},{"key":"6","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-2966.2007.12373.x"},{"key":"7","doi-asserted-by":"crossref","first-page":"504","DOI":"10.1063\/1.1303257","author":"Bertsch","year":"2000","journal-title":"Proc. 5th Compton Symp."},{"key":"8","doi-asserted-by":"publisher","DOI":"10.1146\/annurev.astro.34.1.331"},{"key":"9","doi-asserted-by":"crossref","first-page":"964","DOI":"10.1086\/309051","volume":"537","author":"Cheng","year":"2000","journal-title":"ApJ","ISSN":"http:\/\/id.crossref.org\/issn\/0004-637X","issn-type":"print"},{"key":"10","author":"Cordes","year":"2002"},{"key":"11","doi-asserted-by":"crossref","first-page":"1499","DOI":"10.1086\/508403","volume":"652","author":"Crawford","year":"2006","journal-title":"ApJ","ISSN":"http:\/\/id.crossref.org\/issn\/0004-637X","issn-type":"print"},{"key":"12","doi-asserted-by":"publisher","DOI":"10.1086\/176811"},{"key":"13","first-page":"275","author":"Dowd","year":"2000","journal-title":"Proc. IAU Coll. 177"},{"key":"14","doi-asserted-by":"crossref","first-page":"1201","DOI":"10.1086\/379052","volume":"598","author":"Dyks","year":"2003","journal-title":"ApJ","ISSN":"http:\/\/id.crossref.org\/issn\/0004-637X","issn-type":"print"},{"key":"15","doi-asserted-by":"crossref","first-page":"734","DOI":"10.1086\/305219","volume":"494","author":"Fierro","year":"1998","journal-title":"ApJ","ISSN":"http:\/\/id.crossref.org\/issn\/0004-637X","issn-type":"print"},{"key":"16","doi-asserted-by":"crossref","first-page":"33","DOI":"10.1086\/594117","volume":"688","author":"Halpern","year":"2008","journal-title":"ApJ","ISSN":"http:\/\/id.crossref.org\/issn\/1538-4357","issn-type":"print"},{"key":"17","doi-asserted-by":"crossref","first-page":"1378","DOI":"10.1086\/588037","volume":"680","author":"Harding","year":"2008","journal-title":"ApJ","ISSN":"http:\/\/id.crossref.org\/issn\/0004-637X","issn-type":"print"},{"key":"18","doi-asserted-by":"crossref","first-page":"79","DOI":"10.1086\/313231","volume":"123","author":"Hartman","year":"1999","journal-title":"ApJS","ISSN":"http:\/\/id.crossref.org\/issn\/0067-0049","issn-type":"print"},{"key":"19","doi-asserted-by":"crossref","first-page":"389","DOI":"10.1086\/422408","volume":"612","author":"Hessels","year":"2004","journal-title":"ApJ","ISSN":"http:\/\/id.crossref.org\/issn\/0004-637X","issn-type":"print"},{"key":"20","doi-asserted-by":"publisher","DOI":"10.1007\/s10509-005-7578-x"},{"key":"21","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-2966.2004.08157.x"},{"key":"22","doi-asserted-by":"publisher","DOI":"10.1071\/AS04022"},{"key":"23","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-2966.2006.10263.x"},{"key":"24","doi-asserted-by":"publisher","DOI":"10.1086\/430368"},{"key":"25","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-2966.2007.12237.x"},{"key":"26","doi-asserted-by":"crossref","first-page":"279","DOI":"10.1017\/CBO9780511536281.008","author":"Kaspi","year":"2006","journal-title":"Compact Stellar X-ray Sources"},{"key":"27","doi-asserted-by":"publisher","DOI":"10.1046\/j.1365-8711.2003.06637.x"},{"key":"28","doi-asserted-by":"crossref","first-page":"872","DOI":"10.1086\/304736","volume":"488","author":"Lamb","year":"1997","journal-title":"ApJ","ISSN":"http:\/\/id.crossref.org\/issn\/0004-637X","issn-type":"print"},{"key":"29","doi-asserted-by":"crossref","first-page":"1993","DOI":"10.1086\/428488","volume":"129","author":"Manchester","year":"2005","journal-title":"AJ","ISSN":"http:\/\/id.crossref.org\/issn\/1538-3881","issn-type":"print"},{"key":"30","first-page":"67","author":"McLaughlin","year":"2004","journal-title":"X-ray and Gamma-Ray Astrophysics of Galactic Sources"},{"key":"31","doi-asserted-by":"crossref","first-page":"1143","DOI":"10.1086\/383079","volume":"606","author":"Muslimov","year":"2004","journal-title":"ApJ","ISSN":"http:\/\/id.crossref.org\/issn\/0004-637X","issn-type":"print"},{"key":"32","first-page":"225","volume":"3","author":"Radhakrishnan","year":"1969","journal-title":"Astrophys.\u00a0Lett."},{"key":"33","first-page":"2546","author":"Reimer","year":"2001","journal-title":"Proc. of the 27th Int. Cosmic Ray Conf. 6"},{"key":"34","doi-asserted-by":"crossref","first-page":"451","DOI":"10.1086\/320352","volume":"133","author":"Roberts","year":"2001","journal-title":"ApJS","ISSN":"http:\/\/id.crossref.org\/issn\/0067-0049","issn-type":"print"},{"key":"35","doi-asserted-by":"crossref","first-page":"L19","DOI":"10.1086\/344082","volume":"577","author":"Roberts","year":"2002","journal-title":"ApJ","ISSN":"http:\/\/id.crossref.org\/issn\/1538-4357","issn-type":"print"},{"key":"36","doi-asserted-by":"publisher","DOI":"10.1086\/175076"},{"key":"37","doi-asserted-by":"publisher","DOI":"10.1051\/0004-6361:20077540"},{"key":"38","doi-asserted-by":"publisher","DOI":"10.1051\/0004-6361:200810285"},{"key":"39","author":"Standish","year":"1988","journal-title":"JPL Planetary and Lunar Ephemerides, DE405\/LE405, Memo IOM 312.F-98-048"},{"key":"40","doi-asserted-by":"crossref","first-page":"149","DOI":"10.1007\/978-1-4020-2256-2_7","author":"Thompson","year":"2004","journal-title":"Cosmic Gamma-Ray Sources"},{"key":"41","doi-asserted-by":"crossref","first-page":"1417","DOI":"10.1086\/587865","volume":"680","author":"Van Etten","year":"2008","journal-title":"ApJ","ISSN":"http:\/\/id.crossref.org\/issn\/0004-637X","issn-type":"print"},{"key":"42","doi-asserted-by":"crossref","first-page":"1289","DOI":"10.1088\/0004-637X\/695\/2\/1289","volume":"695","author":"Watters","year":"2009","journal-title":"ApJ","ISSN":"http:\/\/id.crossref.org\/issn\/0004-637X","issn-type":"print"}],"container-title":["The Astrophysical Journal"],"original-title":[],"deposited":{"date-parts":[[2020,11,6]],"date-time":"2020-11-06T21:20:43Z","timestamp":1604697643000},"score":1,"resource":{"primary":{"URL":"https:\/\/iopscience.iop.org\/article\/10.1088\/0004-637X\/700\/2\/1059"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2009,7,8]]},"references-count":42,"journal-issue":{"issue":"2","published-print":{"date-parts":[[2009,8,1]]}},"URL":"https:\/\/doi.org\/10.1088\/0004-637x\/700\/2\/1059","relation":{},"ISSN":["0004-637X","1538-4357"],"issn-type":[{"value":"0004-637X","type":"print"},{"value":"1538-4357","type":"electronic"}],"subject":[],"published":{"date-parts":[[2009,7,8]]}}}