Bolton, W. <br/><br/>
Programmable logic controllers : an introduction 
W. Bolton 
 - 3rd ed. 
 - New Delhi  Elsevier  c2003 
 - ix,240p; 24cm. 
<br/><br/><label>ISBN: </label>0750659866 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programmable  controllers <br/>Sequence controller,programmable
<br/><br/><label>Dewey Class. No.: </label>621.381952  / BOL