English Language Services, Inc. <br/><br/>
Engineering. Civil and Mechanical Engineering / English Language Services, Inc. 

 - New York : Macmillan Publishing Company 
 - 117p. / 22.7 cm. 
<br/><br/><label>ISBN: </label>0-02-973660-9 
<br/><br/><label>Dewey Class. No.: </label>428 E558e