TY  - BOOK
AU  - Hance, R. J.
AU  - Holly, K.
ED  - British Crop Protection Council.
TI  - Weed control handbook: : principles
U1  - 632.58 
PY  - 1990///
CY  - Oxford
PB  - Blackwell Scientific
KW  - Herbicidas
KW  - Malas hierbas
KW  - Control
ER  -