Pesticides Information. v.5, 1979
Mann, B.P.S., ed.
Pesticides Information. v.5, 1979 edited by B.P.S. Mann - New Delhi Pesticides Association of India 1979 - v.5, varies p.; 28cm.
Pesticides Information. v.5, 1979 edited by B.P.S. Mann - New Delhi Pesticides Association of India 1979 - v.5, varies p.; 28cm.