Snyder, Lawrence <br/><br/>
A programmer's guide to ZPL 
Lawrence Snyder 
 - Cambridge, MA  MIT Press  c1999 
 - viii, 154 p. : ill. ; 23 cm 
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780262692175 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ZPL (Computer program language)
<br/><br/><label>Dewey Class. No.: </label>502.8551 SNY