Ecology of water weeds in the neotropics  : an ecological survey of the aquatic weeds Eichhornia crassipedes and Salvinia species, and their natural enemies in the neotropics 

 - Paris :  UNESCO,  1972 
 - 50 p. 
 - Technical paper in hydrology  ; 12 .
 - Technical paper in hydrology  ; 12 .
<br/><br/><label>LCCN: </label>45814 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Malas hierbas acuáticas.<br/>Malas hierbas--Control.