著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL
"Workshop on Integer Programming and Hammer, P. L. and Universität Bonn. Institut für Ökonometrie und Operations Research and IBM Deutschland",Studies in integer programming,,"North-Holland Pub. Co.,sole distributors for the U.S.A. and Canada, Elsevier North-Holland",1977,Annals of discrete mathematics,,0720407656,,https://cir.nii.ac.jp/crid/1130282270996695296