Hackworth, John R <br/><br/>
Programmable logic controllers : programming methods and applications 

 - New Delhi  Pearson Education  2004 
 - xxx, 906p.  
<br/><br/> CDBK 4701; Includes index 
<br/><br/><label>ISBN: </label>9788177587715 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programmable logic controllers<br/>Programming techniques -- Computer programming