Head, George O <br/><br/>
Autocad 3D companion: the illustrate guide to autocad's third dimension / George O. Head.-2nd ed. 

 - 2E 
 - Ventana Press 
<br/><br/><label>ISBN: </label>0566041422 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Systems engineering-mathematical models
<br/><br/><label>Dewey Class. No.: </label>620.0042 HEA