TY  - BOOK
AU  - Gupta, O P; Lamba, P S
TI  - Modern weed science in the tropics and sub-tropics
U1  - GUP-M 
PY  - 1978///
CY  -  New Delhi
PB  - Today & Tomorrows Printers & Publishers
KW  - Plant injuries, diseases, pests
ER  -