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
USDA Forest Service,"International symposium, integrated management of watersheds for multiple use : March 26-30, 1990, Morelia, Mexico = Simposio internacional, manejo integrado de cuencas para uso multiple",,"U.S. Department of Commerce, National Technical Information Service",1991,General technical report RM,,,,https://cir.nii.ac.jp/crid/1130282270605282176