TY  - BOOK
AU  - Mitchell,D.S.
AU  - Thomas,P.A.
ED  - UNESCO
ED  - International Hydrological Decade. (IHD
TI  - Ecology of water weeds in the neotropics: An ecological survey of the aquaticweeds Eichhornia Crassipedes and Salvinia species, and their natural enemies in the neotropics 
PY  - 1972///
CY  - París
PB  - UNESCO
ER  -