Head, George O. <br/><br/>
1000 autocad:   tips and tricks / 
By George O Head and Jan Doster Head. 
 - 1st ed. 
 - New Delhi :  Galgotia Publications Pvt Ltd ,  1990. 
 - xliii,544p. ;  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Autolisp programs<br/>Basic layers blocks attributes<br/>Basic inquiry text annotation
<br/><br/><label>Dewey Class. No.: </label>620.00420285  / HEAG