Making aquatic weeds useful : some perspectives for developing countries : report 

 - WashingtonUS  The Academy  1976 
 - viii, 175 p. : ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>AQUATIC PLANTS
<br/><br/><label>Universal Decimal Class. No.: </label>07.07.01 N277