TY  - BOOK
AU  - Simmonds,F.J.
ED  - International symposium on Biological control of weeds
TI  - Biological control of weeds: Proceedings 
PY  - 1970///
CY  - Farnham Royal, Slough
PB  - Commonwealth Bureaux
KW  - Weeds
KW  - Biological control
ER  -