Lacey, Colin. <br/><br/>
Learner’s dictionary of science and technology 

 - New Delhi :  C B S Publisher,  1994 
 - 232. 
<br/><br/><label>ISBN: </label>0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering allied operations
<br/><br/><label>Dewey Class. No.: </label>620  / LAC