TY  - BOOK
AU  - Ashton, Floyd M.
AU  - Monaco, Thomas J.
TI  - Weed science: : principles and practices
U1  - 632.58 
PY  - 1991///
CY  - New York
PB  - Wiley
KW  - Herbicidas
KW  - Malas hierbas
KW  - Control
N1  - 63-168
ER  -