Sukh Dev
Peter Morand
C. C. McDonnell
United States.: Bureau of Entomology and Plant Quarantine
Izuru Yamamoto
R. C. Roark
Yuh-Lin Chen
Symposium on the Role of Plant-derived Substances for Insect Control (1989 St. John's, N.L.)
Martin Jacobson
Charles B. Gnadinger
Opender Koul
Noritada Matsuo
Stephanie L. Tourles
USDA Neem Workshop (1990 Beltsville, Md.)