Gopalakrishna, K.R <br/><br/>
Engineering Drawing Vol.I 

 - 18 
 - Bangalore  Subhas Publication  1999 
 - p.312 
<br/><br/><label>Subjects--Topical Terms: </label> Letering  Geometrical Construction  Projection Line 
<br/><br/><label>Dewey Class. No.: </label>744.422 G594E