Pesticides Information. v.14, 1988-89
Mann, B.P.S., ed.
Pesticides Information. v.14, 1988-89 edited by B.P.S. Mann - New Delhi Pesticides Association of India 1988 - v.14, varies p.; 28cm.
Pesticides Information. v.14, 1988-89 edited by B.P.S. Mann - New Delhi Pesticides Association of India 1988 - v.14, varies p.; 28cm.