Levens, Alexander <br/><br/>
Graphics in engineering design / 
Alexander Levens, William Chalk 
 - 3rd ed. 
 - New York :  Wiley,  1980 
 - xiv, 736 p. :  ill. ;  24 cm. 
<br/><br/> Second ed. published in 1968 under title: Graphics, analysis and conceptual design  Includes indexes 
<br/><br/><label>ISBN: </label>0471014788 
<br/><br/><label>LCCN: </label>79-17291 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering graphics<br/>Design, Industrial