TY  - BOOK
AU  - Fletcher, W. W.
ED  - Commonwealth Agricultural Bureaux.
TI  - Recent advances in weed research
U1  - 632.58 
PY  - 1983///
CY  - Slough
PB  - CAB
KW  - Malas hierbas
KW  - Investigación
N1  - 33-15
ER  -