“Effects of decomposing transgenic plants on soil microorganisms”
, Proceedings of the Biotechnology Risk Assessment Research EPA All Investigators Meeting
. Duluth, MN, 1993.
“Effects of genetically engineered organisms on the soil ecosystem”
, Proceedings of the Soil Ecology Society Conference
. Manhattan, KS, 1997.
“Evaluating the safety of pesticidal transgenic plants”
, Proceedings of the International Conference on Modern Agriculture and the Environment
. Rehovot, Israel, 1994.