Casselman, Bill, <br/><br/>
Mathematical illustrations :  a manual of geometry and PostScript / 
Bill Casselman. 
 - Cambridge ;  New York :  Cambridge University Press,  2005. 
 - xviii, 318 p. :  ill. ; 
<br/><br/><label>ISBN: </label>0521839211 (hardback) 0521547881 (pbk.) 
<br/><br/><label>Subjects--Index Terms: </label>PostScript-Computer program language 
<br/><br/><label>Universal Decimal Class. No.: </label>519.682POS  / CAS