Bolton, W. <br/><br/>
Programmable logic controllers. 
W. Bolton. 
 - 4th ed. 
 - Oxford; India:   Elsevier/Newnes,  2006. 
 - ix,292p.: 
<br/><br/> Includes idex. 
<br/><br/><label>ISBN: </label>9788131215210 9780750681124 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programmable controllers.  <br/>Logic circuits.<br/>Programmable logic devices.
<br/><br/><label>LC Class. No.: </label>TJ223  / .P76B65 2006