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
"Singh, Ashbindu and Fosnight, Eugene A. and Rykhus, Russell",Spatial data sets for environmental assessment : towards bridging the data gap,,UNEP,1997,Environment assessment technical reports,,9280716360,,https://cir.nii.ac.jp/crid/1130282271897340672