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
"Bellcourt, Kathleen Ann, Sister",Some combinatorial problems in the theory of relations,,"University of Oklahoma, Dept. of Mathematics",1964,Department of Mathematics Preprints,,,,https://cir.nii.ac.jp/crid/1130282272588714240