Carman, G.E., & Ewart, W.H. 1950a Present status of information on parathion for the control of several pests on citrus in California.. Newsletter (Citrus Experiment Station - Division of Entomology, University of California, Riverside) No. 48.
Carman, G.E., & Ewart, W.H. 1950a Present status of information on parathion for the control of several pests on citrus in California.. Newsletter (Citrus Experiment Station - Division of Entomology, University of California, Riverside) No. 48.