Pesticides Information. v.17, 1991-92
Mathur, S.C., ed.
Pesticides Information. v.17, 1991-92 edited by S.C. Mathur - New Delhi Pesticides Association of India 1991 - v.17, varies p.; 28cm.
Pesticides Information. v.17, 1991-92 edited by S.C. Mathur - New Delhi Pesticides Association of India 1991 - v.17, varies p.; 28cm.