COLOMBIA-SUSTAINABLE DEVELOPMENT
AERIAL SPRAYING IN COLOMBIA: HEALTH AND ENVIRONMENTAL EFFECTS OLDHAM & MASSEY Institute for Science and Interdisciplinary Studies, March 19, 2002
New Colombian government website on illicit cultivation and fumigation
Health and Environmental Effects of Herbicide Spray Campaigns in Colombia, Jim Oldham and Rachel Massey, March 18, 2002
Open Letter to the U.S. Senate regarding fumigation in Colombia
USfumigation.org