Birdie, G. S. Birdie, J. S. <br/><br/>
Course in Civil Draughtsmanship: Theory and Practice 

 - New Delhi  Dhanpat Rai Publishing  1998 
 - p.754 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometrical Construction<br/>Elementary Projections
<br/><br/><label>Dewey Class. No.: </label>604.2 B618C