Bolton, W.  1933- <br/><br/>
Programmable logic controllers / 
W. Bolton. 
 - 4th ed. 
 - Amsterdam ;  London :  Newnes,  2006. 
 - ix, 292 p. :  ill. ;  25 cm. 
<br/><br/> Previous ed.: 2003.  Includes index. 
<br/><br/><label>ISBN: </label>9780750681124 0750681128 
<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  / .B65 2006