Bolton, W <br/><br/>
Programmable logic controllers :  an introduction / 
W. Bolton 
 - 2nd ed. 
 - Oxford, UK:  Newnes,  2000 
 - ix, 192 p. :  ill. ;  25 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0750647469 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programmable controllers