TY  - BOOK
AU  - F.J. Simmonds
TI  - Proceedings of the first international symposium on biological control of weeds
U1  - 632.9606 
PY  - 1970///
CY  - England
PB  - Common Wealth Agricultural Bureaux Farnham Royal
N1  - F.J. Simmonds: Proceedings of the first international symposium on biological control of weeds.  England.  Common Wealth Agricultural Bureaux Farnham Royal, 1970.--(632.9606SIM)
ER  -