Pesticides Information. v.18, 1992-93
Mathur, S.C., ed.
Pesticides Information. v.18, 1992-93 edited by S.C. Mathur - New Delhi Pesticides Association of India 1992 - v.18, varies p.; 28cm.
Pesticides Information. v.18, 1992-93 edited by S.C. Mathur - New Delhi Pesticides Association of India 1992 - v.18, varies p.; 28cm.