{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,1]],"date-time":"2026-04-01T11:16:15Z","timestamp":1775042175926,"version":"3.50.1"},"reference-count":4,"publisher":"Elsevier BV","issue":"3","license":[{"start":{"date-parts":[[1991,9,1]],"date-time":"1991-09-01T00:00:00Z","timestamp":683683200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2013,7,17]],"date-time":"2013-07-17T00:00:00Z","timestamp":1374019200000},"content-version":"vor","delay-in-days":7990,"URL":"https:\/\/www.elsevier.com\/open-access\/userlicense\/1.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Discrete Mathematics"],"published-print":{"date-parts":[[1991,9]]},"DOI":"10.1016\/0012-365x(90)90238-d","type":"journal-article","created":{"date-parts":[[2002,7,26]],"date-time":"2002-07-26T03:43:43Z","timestamp":1027655023000},"page":"295-309","source":"Crossref","is-referenced-by-count":1,"title":["On neighbourhood line graphs"],"prefix":"10.1016","volume":"91","author":[{"given":"Xingxing","family":"Yu","sequence":"first","affiliation":[]}],"member":"78","reference":[{"key":"10.1016\/0012-365X(90)90238-D_BIB1","doi-asserted-by":"crossref","first-page":"305","DOI":"10.1016\/0021-8693(76)90162-9","article-title":"Line graphs, root systems, and elliptic geometry","volume":"43","author":"Cameron","year":"1976","journal-title":"J. Algebra"},{"key":"10.1016\/0012-365X(90)90238-D_BIB2","series-title":"Selected Topics in Graph Theory","article-title":"Line graphs and line digraphs","author":"Hemminger","year":"1978"},{"key":"10.1016\/0012-365X(90)90238-D_BIB3","series-title":"Geometries and Groups","first-page":"43","article-title":"On designs","volume":"893","author":"Hughes","year":"1981"},{"key":"10.1016\/0012-365X(90)90238-D_BIB4","doi-asserted-by":"crossref","first-page":"223","DOI":"10.1016\/0012-365X(86)90122-6","article-title":"Research problems","volume":"62","author":"Neumaier","year":"1986","journal-title":"Discrete Math."}],"container-title":["Discrete Mathematics"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:0012365X9090238D?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:0012365X9090238D?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2019,4,13]],"date-time":"2019-04-13T06:20:32Z","timestamp":1555136432000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/0012365X9090238D"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1991,9]]},"references-count":4,"journal-issue":{"issue":"3","published-print":{"date-parts":[[1991,9]]}},"alternative-id":["0012365X9090238D"],"URL":"https:\/\/doi.org\/10.1016\/0012-365x(90)90238-d","relation":{},"ISSN":["0012-365X"],"issn-type":[{"value":"0012-365X","type":"print"}],"subject":[],"published":{"date-parts":[[1991,9]]}}}