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
"Bergh, J.P. van den",An analysis of yields of grasses in mixed and pure stands,,Centre for Agricultural Publishing and Documentation,1968,Agricultural research reports,,,,https://cir.nii.ac.jp/crid/1130000795484749184