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 "University of California, Davis. Dept. of Land, Air, and Water Resources and Rolston, Dennis Eugene and Robert S. Kerr Environmental Research Laboratory",Denitrification as affected by irrigation frequency of a field soil,,"U.S. Environmental Protection Agency, Office of Research and Development, Robert S. Kerr Environmental Research Laboratory,Reproduced by National Technical Information Service",1980,Research reporting series,,,,https://cir.nii.ac.jp/crid/1130000794052528512