Scientific institutions of peru     

 - Montevideo:  Unesco,   1963 
 - 124p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/> 
<br/><br/><label>Subjects--Index Terms: </label>
<br/><br/><label>Universal Decimal Class. No.: </label>061.6+92:5(85) K3.1