Concise Encyclopedia Of Science And Technology 

 - Rev. and updated. 
 - New York  :  Crescent Books : | Distributed by Crown Publishers,  1978 
 -  25cm 
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>517486105 
<br/><br/><label>Dewey Class. No.: </label>Ref503 CON-Y