Webb, John W. , <br/><br/>
Programmable logic controllers :  principles and applications / 
John W. Webb, Ronald A. Reis. 
 - 4th ed. 
 - xv, 443 pages :  illustrations ;  24 cm. 
<br/><br/><label>ISBN: </label>0136794084 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programmable controllers.
<br/><br/><label>LC Class. No.: </label>TJ223.P76   / .W33 1999