Pesticides Information. v.13, 1987-88
Mann, B.P.S., ed.
Pesticides Information. v.13, 1987-88 edited by B.P.S. Mann - New Delhi Pesticides Association of India 1987 - v.13, varies p.; 28cm.
Pesticides Information. v.13, 1987-88 edited by B.P.S. Mann - New Delhi Pesticides Association of India 1987 - v.13, varies p.; 28cm.