Subrata Pal <br/><br/>
Computer-aided engineering drawing / 
Subrata Pal and Madhusudan Bhattacharyya 
 - 7th ed. 
 - New Delhi :  Viva Books,  2009 
 - viii, 297 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>9788130912158 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mechanical drawing--Data processing<br/>Computer--Aided design<br/>Engineering drawings--Data processing