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 "Milner, C. (Cedric) and Hughes, R. Elwyn (Robert Elwyn)",Methods for the measurement of the primary production of grassland,,"International Biological Programme,Blackwell Scientific",1968,IBP handbook,,0632051000,,https://cir.nii.ac.jp/crid/1130000794765031808