Gopal, Brij, 1944- <br/><br/>
Water hyacinth 
Brij Gopal 
 - Amsterdam  Elsevier North-Holland  1987 
 - 471 p. : ill. ; 25 cm. 
 - Aquatic plant studies  1 .
<br/><br/>Bibliography: p.317-468 
<br/><br/><label>ISBN: </label>0444427066 
<br/><br/><label>LCCN: </label>86-29044 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water hyacinth