TY  - BOOK
AU  - Harley,K.I.S.
TI  - Biological control of weeds: a handbook for practitioners and students 
SN  - 0909605742
PY  - 1992///
CY  - Melbourne
PB  - Inkata Press
KW  - Weeds
KW  - Biological control
N1  - References : page 61-67
ER  -