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
"Ruzek, C. V. (Charles Vladis) and Powers, Wilbur Louis","The ""Red Hill"" soils of western Oregon and their utilization",,"Agricultural Experiment Station, Oregon State Agricultural College",1932,Station bulletin,,,,https://cir.nii.ac.jp/crid/1130282270623295744