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
"Unger, Paul W. and American Society of Agronomy and Soil Science Society of America",Predicting tillage effects on soil physical properties and processes : proceedings of a symposium,,American Society of Agronomy : Soil Science Society of America,1982,ASA special publication,,0891180699,,https://cir.nii.ac.jp/crid/1130282269481264512