Webb, John W. <br/><br/>
Programmable logic controllers :  principles and applications / 
John W. Webb, Ronald A. Reis. 
 - 5th ed. 
 - Upper Saddle River, NJ :  Prentice Hall,  2003. 
 - xv, 460 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references (p. 453-454) and index. 
<br/><br/><label>ISBN: </label>013041672X 
<br/><br/><label>LCCN: </label>2001056580 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programmable controllers
<br/><br/><label>LC Class. No.: </label>TJ233.P76 
<br/><br/><label>Dewey Class. No.: </label>629.8/9