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 Commission of the European Communities,Analysis and development of new insight into substitution of short car trips by cycling and walking : how to substitute short car tirps by cycling and walking,,Office for Official Publications of the European Communities,1998,Transport research,,9282843963,,https://cir.nii.ac.jp/crid/1130282269050995200