TY - BOOK AU - "Mehta, P.R. and Verma, B.K." TI - Pesticides and appliances :Farm bulletin No. 64 U1 - 632.95 K1 PY - 0000///New Delhi CY - 1961 PB - F.I.U. Directorate of Extn.Min. of F.& Agric. ER -