Hackworth, John R <br/><br/>
Programmable logic controllers:  programming methods and applications 
John R Hackworth, Frederick D Hackworth 
 - Singapore  Pearson education  2004 
 - xiii, 303p. 
<br/><br/><label>ISBN: </label>9 788129 703408 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programming.
<br/><br/><label>Dewey Class. No.: </label>004.387 HAC