著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) ,Verified Decision Procedures on Context-Free Grammars,In Proc. of the 20th International Conference on Theorem Proving in Higher Order Logics LNCS 4732,,,2007,,,173-188,https://cir.nii.ac.jp/crid/1010000782456288005,