Webb ,J.W. <br/><br/>
Proggrammable Logic Controllers   Principles  and  Application.  [Book] 

 - 5th Ed 
 -  Prentice Hall India  2003 
<br/><br/> All. 
<br/><br/><label>ISBN: </label>8120323084 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Proggrammable Logic Controllers