TY  - BOOK
AU  - Symposium on Progress and Problems in Pesticide-Residue Anal
TI  - Progress and problems in pesticide-residue analysis : proceedings
U1  - 632.94 S99P 
PY  - 1973///
CY  - Ludhiana
PB  - Punjab Agricultural University
KW  - SPRAYING & DUSTING IN AGRICULTURE
KW  - PESTICIDES
ER  -