A Guide to the Scientific and Technical Literature of Eastern Europe 

 - Washington :   National science foundation,   1962. 
 - 2 h. p., i, 94 p. ;   27 cm. 
 - NSF ;   62-49 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>CIENCIA Y TECNICA-BIBLIOGRAFIA
<br/><br/><label>Universal Decimal Class. No.: </label>016:5/6