Industrial research laboratories of the United states 13th ed.  

 - London:   R. R. Bowker Company,   1970 
 - 659p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research 
<br/><br/><label>Subjects--Index Terms: </label>Industrial  
<br/><br/><label>Universal Decimal Class. No.: </label>R 061.1:6.001.5(73)  / L0