H.G Rotmans <br/><br/>
Basic drawing technology 
Rotmans ,Horton good 
 - New york  Delmar  1980 
 - v, 458;ill  Hbk 
<br/><br/><label>ISBN: </label>0 8273 1293 8 
<br/><br/><label>LC Class. No.: </label>T 353.R798 1980