Bousfield, Trevor. <br/><br/>
A practical guide to AutoCAD AutoLISP / 
[by] Trevor Bousfield. 
 - Harlow, England :  Longman,  c1998. 
 - viii, 190 p. : ill. 
<br/><br/><label>ISBN: </label>0582326737 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>AutoCAD (Computer file).<br/>AutoLISP (Computer program language).