Rzoska, Julian <br/><br/>
The Nile biology of an ancient river  Julian Rzoska. 

 - Hague  W. Junk B.V. Publisher  1976 
 - xx, 417p., ill. 
<br/><br/><label>ISBN: </label>90-6193-0812. 
<br/><br/><label>Dewey Class. No.: </label>574.962  / R99N