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 United Nations Environment Programme,Report of the UNEP/RIVM/PE workshop on global and regional modeling of food production and land use and the long-term impact of degradation of land and water resources,,UNEP,1997,Environment information and assessment technical report,,,,https://cir.nii.ac.jp/crid/1130282273298268288