TY  - BOOK
AU  - Gupta, O.P.
TI  - Modern Weed Science in the tropics and sub-tropics: by O.P. Gupta and P.S. Lamba
U1  - 632.5 
PY  - 1978///
CY  - New Delhi
PB  - Today and Tomorrow's Printers and Publisher
KW  - Weeds - tropic Weeds - control Bontay economic
ER  -