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 "Freeman, B. M. (Barry Metcalfe) and Gordon, R. F",Factors affecting egg grading,,British Poultry Science,1970,British Egg Marketing Board symposium,,,,https://cir.nii.ac.jp/crid/1130000796719556608