TY  - BOOK
AU  - Klingman, Glenn C.
AU  - Ashton, Floyd M.
TI  - Weed control: : as a science
U1  - 632.954 
PY  - 1961///
CY  - New York
PB  - Wiley
KW  - Herbicidas
KW  - Malas hierbas
KW  - Control
ER  -