TY  - BOOK
AU  - Ashton, Floyd M.
TI  - Mode of action of herbicides: by Floyd M. Ashton and Alden S. Crafts
SN  - 0-471-03510-6.
U1  - 632.954, 
PY  - 1973///
CY  - New York
PB  - John Wiley
KW  - Herbicides Pesticides Weeds - control
ER  -