Subject headings guide to engineering categories  
/ United Engineering Center 
 - New York:   Engineering Index, Inc.,   1977 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering 
<br/><br/><label>Subjects--Index Terms: </label>Subject headings 
<br/><br/><label>Universal Decimal Class. No.: </label>D 025.343:62](026)  / L7