Twentieth survery of electric power equipment:   Situation and prospects as at 1st January  

 - Paris:   Organisation for Economic Co-operation and Development,   1967 
 - 203p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science 
<br/><br/><label>Subjects--Index Terms: </label>Electronics  
<br/><br/><label>Universal Decimal Class. No.: </label>621.313(083.6)