Parr, E. Andrew. <br/><br/>
Programmable controllers :  an engineer's guide / 
E.A. Parr 
 - Oxford :  Newnes,  1993. 
 - vii, 325 p. :  ill. 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0750604980 
<br/><br/><label>LCCN: </label>92030189  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programmable controllers.