Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Hegel, Georg Wilhelm Friedrich and Petry, Michael John",Hegel's Philosophy of nature,,"Allen & Unwin,Humanities Press",1970,Muirhead library of philosophy,,"0041000218,0041000226,0041000234",,https://cir.nii.ac.jp/crid/1130000794670617472