Bolton W. <br/><br/>
Programmable logic controllers / 
W. Bolton 
 - 4th.ed 
 - Amsterdam  Elsevier  2007 
 - ix, 292p.  ill.  24cm 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>9780750681124  RM122.33 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programmable controllers