List of publications (1963-1997) 

 - Paris  UNESCO France         1997 
 - 94p.  cm. 
 - International Hydrological Programme .
<br/><br/><label>Standard No.: </label>24807 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>BIOLOGY
<br/><br/><label>Dewey Class. No.: </label>G955a1,N97, N7