Plant Extracts Used for Control of the Parasitic Mites Varroa jacobsoni (Acari: Varroidae) and Acarapis woodi (Acari: Tarsonemidae) in Colonies of Apis mellifera (Hymenoptera: Apidae)Nicholas W. Calderone, Marla Spivak, William Wilson|Journal of Economic Entomology|1997Cited by 72