John W. Webb, Ronald A. Reis. <br/><br/>
Programmable logic controllers :  principles and applications / 
John W. Webb, Ronald A. Reis. 
 - 4th 
 -  N.J :  Prentice Hall,  1999. 
 - xv, 443 p. 
<br/><br/>Includes bibliographical references (p. 435-437) and index. 
<br/><br/><label>ISBN: </label>136794084 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programmable controllers.
<br/><br/><label>Dewey Class. No.: </label>629.89   W365