TY  - GEN
AU  - Irving,N.S.
AU  - Centre for Overseas Pest Research, London
TI  - Overseas development administration: Sudan Government water hyacinth biological control programme, Jan., 1979-March 1981 
PY  - 1981///
CY  - London
PB  - Centre for Overseas Pest Research
KW  - Biological Control
KW  - Water Hyacinth
ER  -