{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,12]],"date-time":"2026-02-12T17:13:08Z","timestamp":1770916388136,"version":"3.50.1"},"reference-count":4,"publisher":"Elsevier BV","issue":"3","license":[{"start":{"date-parts":[[1988,5,1]],"date-time":"1988-05-01T00:00:00Z","timestamp":578448000000},"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":9208,"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":[[1988,5]]},"DOI":"10.1016\/0012-365x(88)90049-0","type":"journal-article","created":{"date-parts":[[2002,7,25]],"date-time":"2002-07-25T23:43:43Z","timestamp":1027640623000},"page":"213-218","source":"Crossref","is-referenced-by-count":14,"title":["Unit-distance graphs in rational n-spaces"],"prefix":"10.1016","volume":"69","author":[{"given":"Kiran B.","family":"Chilakamarri","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"78","reference":[{"key":"10.1016\/0012-365X(88)90049-0_BIB1","series-title":"Combinatorial Geometry in the Plane","author":"Hadwiger","year":"1964"},{"key":"10.1016\/0012-365X(88)90049-0_BIB2","doi-asserted-by":"crossref","first-page":"581","DOI":"10.2307\/2372702","article-title":"Normal completion of incidence matrices","author":"Hall","year":"1954","journal-title":"Amer. J. Math."},{"key":"10.1016\/0012-365X(88)90049-0_BIB3","unstructured":"N. Robertson, Private communication."},{"key":"10.1016\/0012-365X(88)90049-0_BIB4","doi-asserted-by":"crossref","first-page":"187","DOI":"10.1016\/0097-3165(73)90020-4","article-title":"Distances realized by sets covering the plane","volume":"14","author":"Woodall","year":"1973","journal-title":"J. Combin. Theory Ser. A"}],"container-title":["Discrete Mathematics"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:0012365X88900490?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:0012365X88900490?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2019,4,13]],"date-time":"2019-04-13T01:26:57Z","timestamp":1555118817000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/0012365X88900490"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1988,5]]},"references-count":4,"journal-issue":{"issue":"3","published-print":{"date-parts":[[1988,5]]}},"alternative-id":["0012365X88900490"],"URL":"https:\/\/doi.org\/10.1016\/0012-365x(88)90049-0","relation":{},"ISSN":["0012-365X"],"issn-type":[{"value":"0012-365X","type":"print"}],"subject":[],"published":{"date-parts":[[1988,5]]}}}