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
"Gray, Alfred and Green, Paul",Sphere transitive structures and the triality automorphism,,"[Department of Mathematics, University of Maryland]",1969,Technical report,,,,https://cir.nii.ac.jp/crid/1130282272667021312