TY  - BOOK
AU  - Ashton, Floyd M.
AU  -  Monaco, Thomas J
TI  - Weed science : principles and practices
SN  - 0471600849
U1  - 632.5 
PY  - 1991///
CY  - New York
PB  -  Wiley, 
KW  - Weeds--Control
KW  - Herbicides
N1  - Include Index
ER  -