TY  - BOOK
AU  - Monaco, Thomas J.
AU  - Ashton, Floyd M.
AU  - Weller, Stephen C. 
TI  - Weed science: principles and practices  
U1  - 632.58 M6 
CY  - New York
PB  -  John Wiley and Sons.
KW  - Herbicidas
KW  - Malas hierbas
KW  -  control
ER  -