WEBB,J W <br/><br/>
PROGRAMMABLE LOGIC CONTROLLERS 

 - Ed.4 
 - New Jersey  Prentice Hall  1999 
 - 443P.,24X18CMS. 
<br/><br/><label>ISBN: </label>013679084 
<br/><br/><label>Dewey Class. No.: </label>629.895 W365