Mitchell, D.S. <br/><br/>
Ecology of water weeds in the neotropics/ 
by D. S. Mitchell and P. A. Thomas/ 
 - Paris:  Unesco  1972 
 - 50p.: diagrms 
 - Technical papers in hydrology .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hydrology
<br/><br/><label>LC Class. No.: </label>QK 524. M4