Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Symposium on Operations Research and Fuchssteiner, B.","XIII. symposium on operations research : University of paderborn, September 7-9, 1988, proceedings",,Hain,1990,Methods of operations research,,3445098174,,https://cir.nii.ac.jp/crid/1130282269221431936