Engineering /   
English Language Services. 
 - New York :   The Macmillan Company,   1966. 
 - 2v. 
 - Special english .
<br/><br/> v 1: Mechanical and civil engineering. v2: Electrical engineering. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ENSEÑANZA<br/>IDIOMAS<br/>INGLES
<br/><br/><label>Universal Decimal Class. No.: </label>37:111