Scientific information activities:   National academy of sciences- national research council  
/ National academy of science  
 - Washington:   National Academy of Science,   1965 
 - 116p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library science 
<br/><br/><label>Subjects--Index Terms: </label>Behavioral science  Biology and agriculture  
<br/><br/><label>Universal Decimal Class. No.: </label>002:5/6(73) NAS-NRC   / K5-;2