Gupta, R.B. <br/><br/>
Textbook of Engineering Drawing 

 - Newdelhi  Satya prakashan  1980 
 - p.560 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometrical Engineering<br/>Machine  Drawing
<br/><br/><label>Dewey Class. No.: </label>744.422 G977T