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
"Helle, Philipp",The present tense in English and German and its relevance for the interpretation of the perfect,,GRIN Verlag,2005,Dokument,,9783640301010,,https://cir.nii.ac.jp/crid/1130000795078507008