{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,25]],"date-time":"2026-06-25T12:53:58Z","timestamp":1782392038467,"version":"3.54.5"},"reference-count":57,"publisher":"Springer Science and Business Media LLC","issue":"12","license":[{"start":{"date-parts":[[2015,1,24]],"date-time":"2015-01-24T00:00:00Z","timestamp":1422057600000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Environ Sci Pollut Res"],"published-print":{"date-parts":[[2015,6]]},"DOI":"10.1007\/s11356-015-4111-9","type":"journal-article","created":{"date-parts":[[2015,1,23]],"date-time":"2015-01-23T17:31:52Z","timestamp":1422034312000},"page":"9464-9474","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":344,"title":["Coal fly ash as a resource for rare earth elements"],"prefix":"10.1007","volume":"22","author":[{"given":"Wojciech","family":"Franus","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ma\u0142gorzata M.","family":"Wiatros-Motyka","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Magdalena","family":"Wdowin","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2015,1,24]]},"reference":[{"issue":"6","key":"4111_CR1","doi-asserted-by":"crossref","first-page":"3406","DOI":"10.1021\/es203518d","volume":"46","author":"E Alonso","year":"2012","unstructured":"Alonso E, Sherman A, Wallington T, Everson M, Field F, Roth R, Kirchain R (2012) Evaluating rare earth element availability: a case with revolutionary demand from clean technologies. Environ Sci Technol 46(6):3406\u20133414","journal-title":"Environ Sci Technol"},{"key":"4111_CR2","doi-asserted-by":"crossref","first-page":"197","DOI":"10.1016\/0016-7037(89)90286-X","volume":"53","author":"E Anders","year":"1989","unstructured":"Anders E, Grevesse N (1989) Abundances of the elements: meteoritic and solar. Geochim Cosmochim Acta 53:197\u2013214","journal-title":"Geochim Cosmochim Acta"},{"key":"4111_CR3","unstructured":"Arroyo F, Font O, Fernandez-Pereira C, Querol X, Chimenos JP, Zeegers H (2009) Germanium and gallium extraction from gasification fly ash: optimisation for up-scaling a recovery process. World of Coal Ash Conference. Avaible at: http:\/\/www.flyash.info\/"},{"key":"4111_CR4","unstructured":"Bertani R (2010) Geothermal power generation in the world 2005\u20132010 update report. In: Proceedings of the world geothermal congress, Bali (Indonesia), April 25\u201329, 2010. Paper No. 008 (CD)"},{"key":"4111_CR5","doi-asserted-by":"crossref","first-page":"223","DOI":"10.1126\/science.173.3993.233","volume":"173","author":"KK Bertine","year":"1971","unstructured":"Bertine KK, Goldberg ED (1971) Fossil fuel combustion and major sedimentary cycle. Science 173:223","journal-title":"Science"},{"key":"4111_CR6","unstructured":"BGS-NERC 2010. Rare earth elements. https:\/\/www.bgs.ac.uk\/research\/highlights\/2010\/rare_earth_elements.html"},{"key":"4111_CR7","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1016\/j.jclepro.2012.12.037","volume":"51","author":"K Biennemans","year":"2013","unstructured":"Biennemans K, Jones PT, Blanpain B, Gerven TV, Yand Y, Walton A, Buchert M (2013) Recycling of rare earths: a critical review. J Clean Prod 51:1\u201322","journal-title":"J Clean Prod"},{"key":"4111_CR8","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1016\/j.fuel.2012.03.024","volume":"97","author":"RS Blissett","year":"2012","unstructured":"Blissett RS, Rowson NA (2012) A review of the multi-component utilisation of coal fly ash. Fuel 97:1\u201323","journal-title":"Fuel"},{"key":"4111_CR9","doi-asserted-by":"crossref","first-page":"236","DOI":"10.1016\/j.fuel.2013.11.053","volume":"119","author":"RS Blissett","year":"2014","unstructured":"Blissett RS, Smalley N, Rowson NA (2014) An investigation into six coal fly ashes from the United Kingdom and Poland to evaluate rare earth element content. Fuel 119:236\u2013239","journal-title":"Fuel"},{"key":"4111_CR10","first-page":"67","volume":"29\/1","author":"J Ca\u0142us-Moszko","year":"2013","unstructured":"Ca\u0142us-Moszko J, Bia\u0142ecka B (2013) Analiza mo\u017cliwo\u015bci pozyskania pierwiastk\u00f3w ziem rzadkich z w\u0119gli kamiennych i popio\u0142\u00f3w lotnych z elektrowni. Gosp Sur Miner Miner Res Manag 29\/1:67\u201380","journal-title":"Gosp Sur Miner Miner Res Manag"},{"issue":"1","key":"4111_CR11","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1016\/S1002-0721(10)60401-2","volume":"29","author":"Z Chen","year":"2011","unstructured":"Chen Z (2011) Global rare earth resources and scenarios of future rare earth industry. J Rare Earths 29(1):1\u20136","journal-title":"J Rare Earths"},{"key":"4111_CR12","unstructured":"Currie A (2012) Rare earth from fly ash: a method explored. Available at http:\/\/rareearthinvestingnews.com\/7284-rare-earth-from-fly-ash-a-method-explored.html"},{"issue":"4","key":"4111_CR13","doi-asserted-by":"crossref","first-page":"318","DOI":"10.1016\/j.coal.2008.09.001","volume":"76","author":"S Dai","year":"2008","unstructured":"Dai S, Tian L, Chou C (2008) Mineralogical and compositional characteristics of Late Permian coals from an area of high lung cancer rate in Xuan Wei, Yunnan, China: occurrence and origin of quartz and chamosite. Int J Coal Geol 76(4):318\u2013327","journal-title":"Int J Coal Geol"},{"issue":"1\u20132","key":"4111_CR14","doi-asserted-by":"crossref","first-page":"29","DOI":"10.1016\/j.chemgeo.2011.01.006","volume":"282","author":"S Dai","year":"2011","unstructured":"Dai S, Wang X, Zhou Y (2011) Chemical and mineralogical compositions of silicic, mafic, and alkali tonsteins in the late Permian coals from the Songzao Coalfield, Chongqing, Southwest China. Chem Geol 282(1\u20132):29\u201344","journal-title":"Chem Geol"},{"key":"4111_CR15","doi-asserted-by":"crossref","first-page":"3","DOI":"10.1016\/j.coal.2011.02.003","volume":"94","author":"S Dai","year":"2012","unstructured":"Dai S, Ren D, Chou CL, Finkelman RB, Seredin VV, Zhou Y (2012) Geochemistry of trace elements in Chinese coals: a review of abundances, genetic types, impacts on human health, and industrial utilization. Int J Coal Geol 94:3\u201321","journal-title":"Int J Coal Geol"},{"issue":"1","key":"4111_CR16","doi-asserted-by":"crossref","first-page":"713","DOI":"10.1016\/j.rser.2010.09.026","volume":"15","author":"F Din\u00e7er","year":"2011","unstructured":"Din\u00e7er F (2011) The analysis on photovoltaic electricity generation status, potential and policies of the leading countries in solar energy. Renew Sust Energ Rev 15(1):713\u2013720","journal-title":"Renew Sust Energ Rev"},{"key":"4111_CR17","doi-asserted-by":"crossref","first-page":"781","DOI":"10.1016\/j.scitotenv.2013.02.099","volume":"461\u2013462","author":"X Du","year":"2013","unstructured":"Du X, Graedel TE (2013) Uncovering the end uses of the rare earth elements. Sci Total Environ 461\u2013462:781\u2013784","journal-title":"Sci Total Environ"},{"key":"4111_CR18","unstructured":"EPRI (2009) Coal ash: characteristics, management and environmental issues. http:\/\/www.whitehouse.gov\/sites\/default\/files\/omb\/assets\/oira_2050\/2050_meeting_101609-2.pdf"},{"issue":"2","key":"4111_CR19","doi-asserted-by":"crossref","first-page":"83","DOI":"10.1016\/0146-6380(87)90030-1","volume":"11","author":"GM Eskenazy","year":"1987","unstructured":"Eskenazy GM (1987) Rare earth elements and yttrium in lithotypes of Bulgarian coals. Org Geochem 11(2):83\u201389","journal-title":"Org Geochem"},{"key":"4111_CR20","doi-asserted-by":"crossref","first-page":"21","DOI":"10.1016\/0378-3820(94)90169-4","volume":"39","author":"RB Finkelman","year":"1994","unstructured":"Finkelman RB (1994) Modes of occurrence of the potentially hazardous elements in coal levels of confidence. Fuel Process Technol 39:21\u201334","journal-title":"Fuel Process Technol"},{"issue":"2","key":"4111_CR21","first-page":"337","volume":"21","author":"W Franus","year":"2012","unstructured":"Franus W (2012) Characterization of X-type zeolite prepared from coal fly ash. Pol J Environ Stud 21(2):337\u2013343","journal-title":"Pol J Environ Stud"},{"issue":"6","key":"4111_CR22","doi-asserted-by":"crossref","first-page":"5721","DOI":"10.1007\/s10661-014-3815-5","volume":"186","author":"W Franus","year":"2014","unstructured":"Franus W, Wdowin M, Franus M (2014) Synthesis and characterization of zeolites prepared from industrial fly ash. Environ Monit Assess 186(6):5721\u20135729. doi: 10.1007\/s10661-014-3815-5","journal-title":"Environ Monit Assess"},{"key":"4111_CR23","doi-asserted-by":"crossref","first-page":"6812","DOI":"10.1007\/s11356-013-2107-x","volume":"21","author":"A Grawunder","year":"2014","unstructured":"Grawunder A, Merten D, B\u00fcchel G (2014) Origin of middle rare earth element enrichment in acid mine drainage-impacted areas. Environ Sci Pollut Res 21:6812\u20136823","journal-title":"Environ Sci Pollut Res"},{"key":"4111_CR24","doi-asserted-by":"crossref","first-page":"609","DOI":"10.1016\/0925-8388(94)07134-9","volume":"225","author":"JB Hedrick","year":"1995","unstructured":"Hedrick JB (1995) The global rare-earth cycle. Alloys Compd 225:609\u2013618","journal-title":"Alloys Compd"},{"key":"4111_CR25","unstructured":"Heebnik LV (2011) Utilization of fly ash from biomass and biomass-coal. http:\/\/biomassmagazine.com\/articles\/5803\/utilization-of-fly-ash-from-biomass-and-biomass-coal"},{"key":"4111_CR26","doi-asserted-by":"crossref","first-page":"344","DOI":"10.1016\/j.energy.2012.10.043","volume":"49","author":"S Hoenderdal","year":"2013","unstructured":"Hoenderdal S, Espinoza LT, Marscheider-Weidemann F, Graus W (2013) Can a dysprosium shortage threaten green energy technologies? Energy 49:344\u2013355","journal-title":"Energy"},{"key":"4111_CR27","unstructured":"IEA (2012) Medium-Term Coal Market Report, 2012"},{"key":"4111_CR28","unstructured":"IEA (2014) Medium-Term Coal Market Report, 2014"},{"key":"4111_CR29","doi-asserted-by":"crossref","first-page":"54","DOI":"10.1016\/j.coal.2011.10.006","volume":"94","author":"M Izquierdo","year":"2012","unstructured":"Izquierdo M, Xavier Q (2012) Leaching behavior of elements from coal combustion fly ash: an overview. Int J Coal Geol 94:54\u201366","journal-title":"Int J Coal Geol"},{"issue":"1995","key":"4111_CR30","first-page":"221","volume":"2","author":"DR Jones","year":"1995","unstructured":"Jones DR (1995) The leaching of major and trace elements from coal ash. Environ Asp Trace Elem Coal Energy Environ 2(1995):221\u2013262","journal-title":"Environ Asp Trace Elem Coal Energy Environ"},{"key":"4111_CR31","volume-title":"Trace elements in soil and plants","author":"A Kabata-Pendias","year":"2001","unstructured":"Kabata-Pendias A, Pendias H (2001) Trace elements in soil and plants. CRC Press LLC 2001, Boca Raton, 403"},{"key":"4111_CR32","doi-asserted-by":"crossref","first-page":"69","DOI":"10.4236\/ojpc.2013.32009","volume":"3","author":"S Kashiwakura","year":"2013","unstructured":"Kashiwakura S, Kumagai Y, Kubo H, Wagatsuma K (2013) Dissolution of rare earth elements from coal fly ash particles in a dilute H2SO4 solvent. Open J Phys Chem 3:69\u201375","journal-title":"Open J Phys Chem"},{"issue":"2","key":"4111_CR33","doi-asserted-by":"crossref","first-page":"135","DOI":"10.1016\/j.coal.2009.01.002","volume":"78","author":"M Ketris","year":"2009","unstructured":"Ketris M, Yudovich Y (2009) Estimations of clarkes for carbonaceous biolithes: world averages for trace element contents in black shales and coals. Int J Coal Geol 78(2):135\u2013148","journal-title":"Int J Coal Geol"},{"key":"4111_CR34","doi-asserted-by":"crossref","first-page":"255","DOI":"10.1016\/S0269-7491(02)00376-7","volume":"123","author":"U Kukier","year":"2003","unstructured":"Kukier U, Ishak CF, Sumner ME, Miller WP (2003) Composition and element solubility of magnetic and non-magnetic fly ash fractions. Environ Pollut 123:255\u2013266","journal-title":"Environ Pollut"},{"key":"4111_CR35","doi-asserted-by":"crossref","first-page":"25","DOI":"10.1016\/j.fuel.2006.05.016","volume":"85","author":"BG Kutchko","year":"2006","unstructured":"Kutchko BG, Kim AG (2006) Fly ash characterization by SEM-EDS. Fuel 85:25\u201337","journal-title":"Fuel"},{"key":"4111_CR36","doi-asserted-by":"crossref","first-page":"159","DOI":"10.1016\/j.geothermics.2011.07.004","volume":"40","author":"JW Lund","year":"2011","unstructured":"Lund JW, Freeston DH, Boyd TL (2011) Direct utilization of geothermal energy 2010 worldwide review. Geothermics 40:159\u2013180","journal-title":"Geothermics"},{"key":"4111_CR37","doi-asserted-by":"crossref","first-page":"36","DOI":"10.1016\/j.resourpol.2012.07.001","volume":"38","author":"S Massari","year":"2013","unstructured":"Massari S, Ruberti M (2013) Rare earth elements as critical raw materials: focus on international markets and future strategies. Resour Policy 38:36\u201343","journal-title":"Resour Policy"},{"key":"4111_CR38","first-page":"346","volume-title":"Chemistry of trace elements in fly ash","author":"SV Mattigod","year":"2003","unstructured":"Mattigod SV (2003) Rare earth elements in fly ashes as potential indicators of anthropogenic soil contamination. In: Sajwan KS, Alva AK, Keefer RF (eds) Chemistry of trace elements in fly ash. Springer Science + Business Media, LCC, New York, p 346"},{"key":"4111_CR39","unstructured":"Mayfield DB, Lewis AS (2013) Environmental review of coal ash as a resource for rare earth and strategic elements. World of Coal Ash (WOCA) Conference. Available at http:\/\/www.flyash.info\/"},{"key":"4111_CR40","doi-asserted-by":"crossref","unstructured":"Meawad AS, Bojinova DY, Pelovski YG (2010) An overview of metals recovery from thermal power plant solid wastes. Waste Manag 2548\u20132559","DOI":"10.1016\/j.wasman.2010.07.010"},{"key":"4111_CR41","doi-asserted-by":"crossref","first-page":"9","DOI":"10.1016\/j.coal.2012.02.012","volume":"96\u201397","author":"F Moore","year":"2012","unstructured":"Moore F, Esmaeili A (2012) Mineralogy and geochemistry of the coals from Karmozd and Kiasar coal mines, Mazandran Province, Iran. Int J Coal Geol 96\u201397:9\u201321","journal-title":"Int J Coal Geol"},{"issue":"11","key":"4111_CR42","doi-asserted-by":"crossref","first-page":"1351","DOI":"10.1016\/j.fuel.2004.06.038","volume":"84","author":"N Moreno","year":"2005","unstructured":"Moreno N, Querol X, Andr\u00e9s JM, Stanton K, Towler M, Nugteren H et al (2005) Physico-chemical characteristics of European pulverized coal combustion fly ashes. Fuel 84(11):1351\u20131363","journal-title":"Fuel"},{"issue":"2","key":"4111_CR43","doi-asserted-by":"crossref","first-page":"143","DOI":"10.1007\/BF02987462","volume":"9","author":"X Pang","year":"2002","unstructured":"Pang X, Li D, Peng A (2002) Application of rare-earth elements in the agriculture of China and its environmental behavior in soil. Environ Sci Pollut Res 9(2):143\u2013148","journal-title":"Environ Sci Pollut Res"},{"issue":"390","key":"4111_CR44","doi-asserted-by":"crossref","first-page":"119","DOI":"10.1180\/minmag.1994.058.390.11","volume":"58","author":"X Querol","year":"1994","unstructured":"Querol X, Turiel JLF, Soler AL (1994) The behavior of mineral matter during combustion Of Spanish subbituminous and brown coals. Miner Mag 58(390):119\u2013133","journal-title":"Miner Mag"},{"issue":"3","key":"4111_CR45","doi-asserted-by":"crossref","first-page":"331","DOI":"10.1016\/0016-2361(95)93464-O","volume":"74","author":"X Querol","year":"1995","unstructured":"Querol X, Fernandez-Turiel J, Lopez-Soler A (1995) Trace elements in coal and their behavior during combustion in a large power station. Fuel 74(3):331\u2013343","journal-title":"Fuel"},{"issue":"1\u20134","key":"4111_CR46","doi-asserted-by":"crossref","first-page":"413","DOI":"10.1016\/S0166-5162(02)00124-6","volume":"50","author":"X Querol","year":"2002","unstructured":"Querol X, Moreno N, Umana JC, Alastuey A, Hernandez E, Lopez-Soler A, Plana F (2002) Synthesis of zeolites from coal fly ash: an overview. Int J Coal Geol 50(1\u20134):413\u2013423","journal-title":"Int J Coal Geol"},{"key":"4111_CR47","doi-asserted-by":"crossref","first-page":"101","DOI":"10.1016\/0166-5162(95)00039-9","volume":"30","author":"VV Seredin","year":"1996","unstructured":"Seredin VV (1996) Rare earth element-bearing coals from the Russian Far East deposits. Int J Coal Geol 30:101\u2013129","journal-title":"Int J Coal Geol"},{"key":"4111_CR48","doi-asserted-by":"crossref","first-page":"67","DOI":"10.1016\/j.coal.2011.11.001","volume":"94","author":"VV Seredin","year":"2012","unstructured":"Seredin VV, Dai S (2012) Coal deposits as potential alternative sources for lanthanides and yttrium. Int J Coal Geol 94:67\u201393","journal-title":"Int J Coal Geol"},{"key":"4111_CR49","doi-asserted-by":"crossref","unstructured":"Seredin VV, Dai S, Sun Y, Chekryzhov IY (2013) Coal deposits as promising sources of rare metals for alternative power and energy-efficient technologies. Appl Geochem 31:1\u201311","DOI":"10.1016\/j.apgeochem.2013.01.009"},{"key":"4111_CR50","doi-asserted-by":"crossref","first-page":"965","DOI":"10.1016\/j.jenvrad.2010.07.001","volume":"101","author":"D Smolka-Danielewska","year":"2010","unstructured":"Smolka-Danielewska D (2010) Rare earth elements in fly ashes created during the coal burning process in certaincoal-fired power plants operating in Poland\u2014Upper Silesian Industrial Region. J Environ Radioact 101:965\u2013968","journal-title":"J Environ Radioact"},{"key":"4111_CR51","doi-asserted-by":"crossref","first-page":"20","DOI":"10.1016\/j.minpro.2013.07.005","volume":"124","author":"R Sommerville","year":"2013","unstructured":"Sommerville R, Blissett R, Rowson N, Blackburn S (2013) Producing a synthetic zeolite from improved fly ash residue. Int J Miner Process 124:20\u201325","journal-title":"Int J Miner Process"},{"key":"4111_CR52","unstructured":"Tomaszewska B, Paj\u0105k L (2012) Geothermal water resources management\u2014economic aspects of their treatment. Gosp Sur Miner-Miner Res Manag 28(4):59\u201370"},{"key":"4111_CR53","doi-asserted-by":"crossref","first-page":"11409","DOI":"10.1007\/s11356-014-3076-4","volume":"21","author":"B Tomaszewska","year":"2014","unstructured":"Tomaszewska B, Szczepa\u0144ski A (2014) Possibilities for the efficient utilisation of spent geothermal waters. Environ Sci Pollut Res 21:11409\u201311417. doi: 10.1007\/s11356-014-3076-4","journal-title":"Environ Sci Pollut Res"},{"key":"4111_CR54","doi-asserted-by":"crossref","first-page":"570","DOI":"10.1016\/j.fuproc.2010.11.013","volume":"92","author":"D Vamvuka","year":"2011","unstructured":"Vamvuka D, Kakaras E (2011) Ash properties and environmental impact of various biomass and coal fuels and their blends. Fuel Process Technol 92:570\u2013581","journal-title":"Fuel Process Technol"},{"issue":"1011","key":"4111_CR55","doi-asserted-by":"crossref","first-page":"1490","DOI":"10.1016\/j.fuel.2006.11.020","volume":"86","author":"SV Vassilev","year":"2007","unstructured":"Vassilev SV, Vassileva CG (2007) A new approach for the classification of coal fly ashes based on their origin, composition, properties, and behavior. Fuel 86(1011):1490\u20131512","journal-title":"Fuel"},{"issue":"6","key":"4111_CR56","doi-asserted-by":"crossref","first-page":"1217","DOI":"10.1007\/s10098-014-0719-6","volume":"16","author":"M Wdowin","year":"2014","unstructured":"Wdowin M, Franus M, Panek R, Badura L, Franus W (2014) The conversion technology of fly ash into zeolites. Clean Techn Environ Policy 16(6):1217\u20131223. doi: 10.1007\/s10098-014-0719-6","journal-title":"Clean Techn Environ Policy"},{"key":"4111_CR57","doi-asserted-by":"crossref","first-page":"105","DOI":"10.1016\/j.earscirev.2014.11.016","volume":"141","author":"ZT Yao","year":"2015","unstructured":"Yao ZT, Ji XS, Sarker PK, Tang JH, Ge LQ, Xia MS, Xi YQ (2015) A comprehensive review on the applications of coal fly ash. Earth Sci Rev 141:105\u2013121","journal-title":"Earth Sci Rev"}],"container-title":["Environmental Science and Pollution Research"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/s11356-015-4111-9.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/article\/10.1007\/s11356-015-4111-9\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/s11356-015-4111-9","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2019,3,26]],"date-time":"2019-03-26T23:15:26Z","timestamp":1553642126000},"score":1,"resource":{"primary":{"URL":"http:\/\/link.springer.com\/10.1007\/s11356-015-4111-9"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2015,1,24]]},"references-count":57,"journal-issue":{"issue":"12","published-print":{"date-parts":[[2015,6]]}},"alternative-id":["4111"],"URL":"https:\/\/doi.org\/10.1007\/s11356-015-4111-9","relation":{},"ISSN":["0944-1344","1614-7499"],"issn-type":[{"value":"0944-1344","type":"print"},{"value":"1614-7499","type":"electronic"}],"subject":[],"published":{"date-parts":[[2015,1,24]]}}}