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
"Blok, W. J",An axiomatization of the modal theory of the veiled recession frame,,"Department of Mathematics, University of Amsterdam",1977,Report,,,,https://cir.nii.ac.jp/crid/1130282271577085952