Bolton, W.  1933- <br/><br/>
Programmable logic controllers  an introduction 
W. Bolton 
 - Oxford ;  Boston  Newnes  1996 
 - vi, 175 p.  ill.  25 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0750631198 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programmable controllers