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 "Robertson, Dale M. and Weigel, Brian M. and Graczyk, David J. and Wisconsin. Dept. of Natural Resources",Nutrient concentrations and their relations to the biotic integrity of nonwadeable rivers in Wisconsin,,"U.S. Dept. of the Interior, U.S. Geological Survey",2008,Geological Survey professional paper,,9781411321717,,https://cir.nii.ac.jp/crid/1130282272215234816