Pesticides Information. v.19, 1993-94
Mathur, S.C., ed.
Pesticides Information. v.19, 1993-94 edited by S.C. Mathur - New Delhi Pesticides Association of India 1993 - v.19, varies p.; 28cm.
Pesticides Information. v.19, 1993-94 edited by S.C. Mathur - New Delhi Pesticides Association of India 1993 - v.19, varies p.; 28cm.