Pesticides Information. v.16, 1990
Mathur, S.C., ed.
Pesticides Information. v.16, 1990 edited by S.C. Mathur - New Delhi Pesticides Association of India 1990 - v.16, varies p.; 28cm.
Pesticides Information. v.16, 1990 edited by S.C. Mathur - New Delhi Pesticides Association of India 1990 - v.16, varies p.; 28cm.