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
"Lefkovitch, L. P. (Leonard P.) and Canada. Dept. of Agriculture. Research Branch",Optimal set covering for biological classification,,Agriculture Canada,1993,Publication,,0660148218,,https://cir.nii.ac.jp/crid/1130282270034696704