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 "British Ecological Society. Symposium and Harper, John L.","The biology of weeds : a symposium of the British Ecological Society, Oxford, 2nd-4th April 1959",,Blackwell Scientific Publications,1960,British Ecological Society. Symposium,,,,https://cir.nii.ac.jp/crid/1130000793935248256