Pal, Subrata. <br/><br/>
Computer-aided engineering drawing / 
Subrata Pal, Madhusudan Bhattacharyya. 
 - 7th  ed. 
 - New Delhi :  Viva,  2009. 
 - xiii, 297  p. 
<br/><br/><label>ISBN: </label>8130912158 : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mechanical drawing.<br/>Computer graphics.