Parr, E. A <br/><br/>
Programmable controllers : an engineer's guide 
E.A. Parr 
 - 3rd ed 
 - Amsterdam ; Boston, MA  Newnes  2003 
 - xii, 429 p. : ill. ; 24 cm 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9780750657570 
<br/><br/><label>ISSN: </label>2005280867 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programmable controllers
<br/><br/><label>Dewey Class. No.: </label>629.895 PAR