Petruzella, Frank D. <br/><br/>
Programmable logic controllers 
Frank D. Petruzella. 
 - 4th ed. 
 - New York, NY  McGraw-Hill Companies,  2011 
 - xvii, 396p.  ill. (chiefly col.)  28cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9780073510880 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programmable controllers.
<br/><br/><label>LC Class. No.: </label>TJ223.P76