TY  - BOOK
AU  - Greathead,Anette
AU  - Groot,Peter De
TI  - Control of Africa's floating water weeds: proceedings of a workshop 
T2  - CSC (93) AGR- 18
AV  - SB614 C66 
PY  - 1993///
CY  - London
PB  - Commonwealth Science Council
KW  - Aquatic weeds
KW  - Africa
KW  - Congresses
N1  - This worlshop was held in Zimbabwe, June 1991
ER  -