Unesco <br/><br/>
World information repoet. 

 - Paris  Scientific and Cultural Organization      1997 
 - 390p.  cm. 
<br/><br/><label>Standard No.: </label>120326 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>2n1,N97, N7