{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,5,18]],"date-time":"2025-05-18T06:05:24Z","timestamp":1747548324998},"reference-count":3,"publisher":"Elsevier BV","issue":"8","license":[{"start":{"date-parts":[[1991,1,1]],"date-time":"1991-01-01T00:00:00Z","timestamp":662688000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Computers & Operations Research"],"published-print":{"date-parts":[[1991,1]]},"DOI":"10.1016\/0305-0548(91)90004-b","type":"journal-article","created":{"date-parts":[[2003,6,30]],"date-time":"2003-06-30T12:15:45Z","timestamp":1056975345000},"page":"663-668","source":"Crossref","is-referenced-by-count":6,"title":["Alternative resources in project scheduling"],"prefix":"10.1016","volume":"18","author":[{"given":"R.K-Y.","family":"Li","sequence":"first","affiliation":[]},{"given":"R.J.","family":"Willis","sequence":"additional","affiliation":[]}],"member":"78","reference":[{"key":"10.1016\/0305-0548(91)90004-B_BIB1","doi-asserted-by":"crossref","first-page":"149","DOI":"10.1016\/0377-2217(85)90026-8","article-title":"Critical path analysis and resource constrained project scheduling\u2014theory and practice","volume":"21","author":"Willis","year":"1985","journal-title":"Eur. J. Ops Res."},{"key":"10.1016\/0305-0548(91)90004-B_BIB2","doi-asserted-by":"crossref","first-page":"297","DOI":"10.1080\/05695557308974916","article-title":"Project scheduling under resource constraints\u2014historical review and categorization of procedures","volume":"5","author":"Davis","year":"1973","journal-title":"AIEE Trans."},{"key":"10.1016\/0305-0548(91)90004-B_BIB3","series-title":"Further Developments in Operational Research","article-title":"Network based planning techniques: a critical review of published developments","author":"Ritchie","year":"1985"}],"container-title":["Computers & Operations Research"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:030505489190004B?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:030505489190004B?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2019,3,18]],"date-time":"2019-03-18T13:22:19Z","timestamp":1552915339000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/030505489190004B"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1991,1]]},"references-count":3,"journal-issue":{"issue":"8","published-print":{"date-parts":[[1991,1]]}},"alternative-id":["030505489190004B"],"URL":"https:\/\/doi.org\/10.1016\/0305-0548(91)90004-b","relation":{},"ISSN":["0305-0548"],"issn-type":[{"value":"0305-0548","type":"print"}],"subject":[],"published":{"date-parts":[[1991,1]]}}}