Bolton, W.  1933- <br/><br/>
Programmable logic controllers/ 
W. Bolton 
 - 5th ed. 
 - Amsterdam :  Newnes,  2009 
 - xii, 400 p. :  ill. ;  24 cm. 
<br/><br/> Includes index 
<br/><br/>
<br/><br/><label>ISBN: </label>9781856177511 (pbk.)  RM142.42 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programmable controllers<br/>Logic circuits<br/>Programmable logic devices