Bolton, W. <br/><br/>
Programmable logic controllers / 
W. Bolton 
 - Amsterdam  Elsevier  2009 
 - xii, 400p.  ill.  25cm. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>9781856177511  RM164.73 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programmable controller