Metcalf, Robert L Organic insecticides: Their chemistry and mode of action
Metcalf, Robert L Organic insecticides: Their chemistry and mode of action - Tài liệu nông nghiệp 32
Metcalf, Robert L Organic insecticides: Their chemistry and mode of action / Robert L. Metcalf California: University of Calofornia, 1955 392 p. ; 19 cm Organic