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 "Childs, Leroy",The relation of woolly apple aphis to perennial canker infection with other notes on the disease,,"Agricultural Experiment Station, Oregon State Agricultural College",1929,Station bulletin,,,,https://cir.nii.ac.jp/crid/1130282270744034560