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,Development of uniform methods for pig carcass classification in the EC,,Office for Official Publications of the European Communities,1979,Information on agriculture,,9282516423,,https://cir.nii.ac.jp/crid/1130000793692828032