Polish research guide 1964  
/ National Science Foundation  
 - Washington D. C.:   National Science Foundation,   1964  
 - xii, 419p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research 
<br/><br/><label>Subjects--Index Terms: </label>Guide  
<br/><br/><label>Universal Decimal Class. No.: </label>R 061.6(438)(058.7)  / K3