{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,21]],"date-time":"2026-05-21T21:30:08Z","timestamp":1779399008637,"version":"3.53.1"},"reference-count":10,"publisher":"Elsevier BV","issue":"1","license":[{"start":{"date-parts":[[1975,4,1]],"date-time":"1975-04-01T00:00:00Z","timestamp":165542400000},"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":[[1975,4]]},"DOI":"10.1016\/0305-0548(75)90027-1","type":"journal-article","created":{"date-parts":[[2003,6,30]],"date-time":"2003-06-30T16:15:45Z","timestamp":1056989745000},"page":"55-59","source":"Crossref","is-referenced-by-count":5,"title":["A model for optimal design of keyboards"],"prefix":"10.1016","volume":"2","author":[{"given":"Shaul P.","family":"Ladany","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/0305-0548(75)90027-1_BIB1","series-title":"Molion and Time Study","author":"Barnes","year":"1968"},{"key":"10.1016\/0305-0548(75)90027-1_BIB2","series-title":"Official Gazette","article-title":"Simplified Keyboard Arrangement","author":"Dvorack","year":"1932"},{"key":"10.1016\/0305-0548(75)90027-1_BIB3","series-title":"Typewriting Behavior","author":"Dvorack","year":"1936"},{"key":"10.1016\/0305-0548(75)90027-1_BIB4","first-page":"51","volume":"12","year":"1943","journal-title":"National Business Education Quarterly"},{"key":"10.1016\/0305-0548(75)90027-1_BIB5","first-page":"221","article-title":"Cryptanalysis","author":"Gaines","year":"1956"},{"key":"10.1016\/0305-0548(75)90027-1_BIB6","doi-asserted-by":"crossref","first-page":"431","DOI":"10.1287\/mnsc.18.9.465","article-title":"Integer Programming Algorithms: A Framework and State-of-the-Art Survey","volume":"18","author":"Geoffrion","year":"1972","journal-title":"Management Sci."},{"key":"10.1016\/0305-0548(75)90027-1_BIB7","doi-asserted-by":"crossref","first-page":"453","DOI":"10.1287\/mnsc.16.7.453","article-title":"An Algorithm for the Quadratic Assignment Problem","volume":"16","author":"Graves","year":"1970","journal-title":"Management Sci."},{"key":"10.1016\/0305-0548(75)90027-1_BIB8","series-title":"Information Utilities","first-page":"181","article-title":"Valid Data for Design of Hebrew Language Information Processing Equipment","author":"Ladany","year":"1974"},{"key":"10.1016\/0305-0548(75)90027-1_BIB9","series-title":"Methods-Time-Measurement","author":"Maynard","year":"1948"},{"key":"10.1016\/0305-0548(75)90027-1_BIB10","doi-asserted-by":"crossref","first-page":"50","DOI":"10.1002\/j.1538-7305.1951.tb01366.x","article-title":"Prediction and enthropy of printed English","volume":"30","author":"Shannon","year":"1951","journal-title":"Bell Syst. Tech. J."}],"container-title":["Computers & Operations Research"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:0305054875900271?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:0305054875900271?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2019,3,18]],"date-time":"2019-03-18T16:24:04Z","timestamp":1552926244000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/0305054875900271"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1975,4]]},"references-count":10,"journal-issue":{"issue":"1","published-print":{"date-parts":[[1975,4]]}},"alternative-id":["0305054875900271"],"URL":"https:\/\/doi.org\/10.1016\/0305-0548(75)90027-1","relation":{},"ISSN":["0305-0548"],"issn-type":[{"value":"0305-0548","type":"print"}],"subject":[],"published":{"date-parts":[[1975,4]]}}}