TY  - CONF
A1  - Koch, W.
T1  - Impact of weeds on developing countries
Y1  - 1992
VL  - 1
CY  - Melbourne, Australia
T3  - First International Weed Control Conference
Y2  - 17-21 February 1992
SP  - 127
EP  - 133
UR  - http://www.caws.org.au/awc/1992/awc199211271.pdf
ER  -