TY  - BOOK
AU  - Julien ,M.H
TI  - Bilogical control of weeds a world catalogue of agents and their target 
SN  - 0 85198 766 4
AV  - SB 611.5 B56 1992 
PY  - 1992///
CY  - Walling ford
PB  - CAB,International
KW  - Weeds biological control
ER  -