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 "Richards, Tom",Clausal form logic : an introduction to the logic of computer reasoning,,Addison-Wesley Pub. Co.,1989,International computer science series,,0201129205,,https://cir.nii.ac.jp/crid/1130282271615584768