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
"Gardner, Martin",Penrose tiles to trapdoor ciphers : -- and the return of Dr. Matrix,rev. ed.,Mathematical Association of America,1997,MAA spectrum,,0883855216,,https://cir.nii.ac.jp/crid/1130282269409411200