Stenerson, Jon. <br/><br/>
Fundamentals of programmable logic controllers, sensors, and communications  
Jon Stenerson. 
 - 3rd. ed. 
 - New Jersey  Prentice Hall,  2004. 
 - 654 p. 
 - 3rd edition. .
 - 3rd edition. .
<br/><br/> Fundamentals of Programmable Logic Controllers, Sensors, and Communications. 
<br/><br/><label>ISBN: </label>013061890X (hardcover) 9780130618900 (hardcover) 
<br/><br/><label>Source: </label> 115 US$