Bolton, W. <br/><br/>
Programmable logic controllers / 

 - 4th ed. 
 - New-Delhi,  Elsevier:  2008. 
 - ix,292p. 
<br/><br/><label>ISBN: </label>9780750681124 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer Algorithms