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 "Davies, D. H.","The South African pilchard (Sardinops ocellata) : Sexual maturity and reproduction, 1950-54",,"Division of Sea Fisheries, Department of Commerce & Industries, Union of South Africa",1956,Investigational report,,,,https://cir.nii.ac.jp/crid/1130282269454833280