Guide to testing insecticides on coniferous forest defoliators /
Carroll B. Williams ... [et al.]
APA Citation
Williams, C. B. (1985). Guide to testing insecticides on coniferous forest defoliators. Berkeley, Calif.: U.S. Dept. of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station.
MLA Citation
Williams, Carroll B. Guide to Testing Insecticides On Coniferous Forest Defoliators. Berkeley, Calif.: U.S. Dept. of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station, 1985.
Warning: These citations may not always be complete (especially for serials).