TY  - SER
AU  - Singh, R. P.,
TI  - Indian Journal of Weed Science Vol. 39(1-4), Vol. 40(1-4)
U1  - 632.50954 
PY  - 2007///-08
CY  - Hisar
PB  - Indian Society of Weed Science
KW  - Weed Science
ER  -