TY  - BOOK
AU  - Anderso,Wood Powell
TI  - Weed science: principles 
SN  - 0829900845
U1  - 632.954 
PY  - 1977///
CY  - St. Paul, MN ; New York
PB  - West Publishing, 
KW  - HERBICIDAS
KW  - MALEZAS
KW  - CONTROL
ER  -