Database on environmental conditions, resources and violent conflicts eds. Schwartz Daniel author Singh Ashbindu author 1998 database non-USGS series Reports resources security international-environmental aspect exported from refbase (http://eros.usgs.gov/refbase/show.php?record=25472), last updated on Fri, 21 Sep 2012 12:20:16 -0500 text Schwartz+Singh1998 EROS @ cdeering @ 257 technical report report 44 Environment Information and Assessment, United Nations Environment Programme Technical Report