Dunning, Gary. <br/><br/>
Introduction to programmable logic controllers / 
Gary Dunning 
 - Albany, New York  Delmar Publishers  1998 
 - xi, 433 p.  ill.  24cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0827378661  RM294.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programmable controllers