P.S.GILL <br/><br/>
ENGINEERING DRAWING(GEOMETRICAL DRAWING) 

 - 11TH 
 - NEW DELHI  S.K.KATARIA AND SONS  1997 
<br/><br/><label>ISBN: </label>81-85749-62-0 
<br/><br/><label>Dewey Class. No.: </label>690.13  / 5