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
"Nelte, Karen",Formulas of first-order logic in distributive normal form,,"University of Cape Town, Department of Mathematics and Applied Mathematics",1997,Thesis reprints,,,,https://cir.nii.ac.jp/crid/1130293235209505187