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
"Strong, R.L.","The trench silo, a cheap means of storing feed",,"Agricultural Extension Service, New Mexico College of Agriculture and Mechanic Arts",1923,Extension circular,,,,https://cir.nii.ac.jp/crid/1130282270372051712