Webb, J <br/><br/>
Programmable logic controllers principles and applications,-third edit 

 - New Delhi  :  Prentice Hall Publication,  2005. 
 - xv,460 
<br/><br/><label>ISBN: </label>81-203-2308-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemical Engineering 
<br/><br/><label>Dewey Class. No.: </label>621.381  / WEB