Hackworth, John R. <br/><br/>
Programmable logic controllers :  programming methods and aaplication / 
John R. Hackworth 
 - India :  Pearson Education,  2004 
<br/><br/><label>ISBN: </label>9788177587715 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic controller
<br/><br/><label>Dewey Class. No.: </label>629.89  / HAC