Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Riebsame, William E. and Changnon, Stanley Alcide and Karl, Thomas R.",Drought and natural resources management in the United States : impacts and implications of the 1987-89 drought,,Westview Press,1991,Westview special studies in natural resources and energy management,,081338026X,,https://cir.nii.ac.jp/crid/1130000794281446912