International directory of research & development scientists 1968 

 - USA;   Institute for Scientific Information,   1968 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science 
<br/><br/><label>Subjects--Index Terms: </label>Development  
<br/><br/><label>Universal Decimal Class. No.: </label>R 5/6.007(058.7)  / K8