Dhawan, R. K. <br/><br/>
textbook of engineering drawing :geometrical drawing 

 - 2nd ed. 
 - New Delhi  S. Chand & Co.  2005 
 - various pagination   
<br/><br/>   
<br/><br/><label>ISBN: </label>81-219-1431-0 
<br/><br/><label>ISSN: </label>
<br/><br/><label>Subjects--Index Terms: </label>Engineering drawing 
<br/><br/><label>Dewey Class. No.: </label>621.7:744