Webb, John W <br/><br/>
Programmable logic controllers : principles and applications 

 - 5 
 - New Delhi  PHI Learning  2003 
 - xv, 460p. : ill.   
<br/><br/> Includes glossary, bibliographical references and index 
<br/><br/><label>ISBN: </label>9788120323087 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic controllers<br/>Programmable logic controllers