{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,9,28]],"date-time":"2025-09-28T12:10:10Z","timestamp":1759061410891,"version":"3.44.0"},"reference-count":4,"publisher":"Elsevier BV","issue":"1-3","license":[{"start":{"date-parts":[[2000,2,1]],"date-time":"2000-02-01T00:00:00Z","timestamp":949363200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2000,2,1]],"date-time":"2000-02-01T00:00:00Z","timestamp":949363200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2013,7,17]],"date-time":"2013-07-17T00:00:00Z","timestamp":1374019200000},"content-version":"vor","delay-in-days":4915,"URL":"http:\/\/www.elsevier.com\/open-access\/userlicense\/1.0\/"}],"content-domain":{"domain":["elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Discrete Applied Mathematics"],"published-print":{"date-parts":[[2000,2]]},"DOI":"10.1016\/s0166-218x(99)00147-x","type":"journal-article","created":{"date-parts":[[2002,7,25]],"date-time":"2002-07-25T15:07:02Z","timestamp":1027609622000},"page":"401-411","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":2,"title":["Reduction of symmetric configurations n3"],"prefix":"10.1016","volume":"99","author":[{"given":"H.G.","family":"Carstens","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"T.","family":"Dinski","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"E.","family":"Steffen","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"78","reference":[{"key":"10.1016\/S0166-218X(99)00147-X_BIB1","unstructured":"H. Gropp, Il metodo di Martinetti (1887) or configurations and Steiner systems S(2,4,25), Ars Combin. 24 B (1987) 179\u2013188."},{"key":"10.1016\/S0166-218X(99)00147-X_BIB2","unstructured":"H. Gropp, On the history of configurations, in: A. Dez, J. Echeverra, A. Ibarra (Eds.), Structures in Mathematical Theories. Papers from the International Symposium, San Sebastian, September 25\u201329, 1990, Universidad del Pa s Vasco-Euskal Herriko Unibertsitatea,Bilbao, 1990, pp. 263\u2013268."},{"key":"10.1016\/S0166-218X(99)00147-X_BIB3","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1007\/BF02420228","article-title":"Sulle configurazioni piane \u03bc3","volume":"15","author":"Martinetti","year":"1887","journal-title":"Ann. Mat. Pura Appl."},{"key":"10.1016\/S0166-218X(99)00147-X_BIB4","unstructured":"T. Reye, Die Geometrie der Lage, Hannover, Carl R\u00fcmpler, 1877."}],"container-title":["Discrete Applied Mathematics"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0166218X9900147X?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0166218X9900147X?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,9,28]],"date-time":"2025-09-28T11:56:45Z","timestamp":1759060605000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0166218X9900147X"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2000,2]]},"references-count":4,"journal-issue":{"issue":"1-3","published-print":{"date-parts":[[2000,2]]}},"alternative-id":["S0166218X9900147X"],"URL":"https:\/\/doi.org\/10.1016\/s0166-218x(99)00147-x","relation":{},"ISSN":["0166-218X"],"issn-type":[{"type":"print","value":"0166-218X"}],"subject":[],"published":{"date-parts":[[2000,2]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Reduction of symmetric configurations n3","name":"articletitle","label":"Article Title"},{"value":"Discrete Applied Mathematics","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/S0166-218X(99)00147-X","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"converted-article","name":"content_type","label":"Content Type"},{"value":"Copyright \u00a9 2000 Elsevier Science B.V. All rights reserved.","name":"copyright","label":"Copyright"}]}}