TY  - BOOK
AU  - Bindra, O.S., ed.
AU  - Kalra, R.L., ed.
TI  - Progress and problems in pesticide - residue analysis : proceedings of a symposium, Ludhiana, 18 - 19 November 1971
PY  - 1973///
CY  - Ludhiana
PB  - Punjab Agricultural University
ER  -