Stenerson, Jon, <br/><br/>
Fundamentals of programmable logic controllers, sensors and communications/ 
Jon Stenerson 
 - Third (3rd)  edition. 
 - New Jersey :  Prentice Hall ;  2004. 
 - xvii, 654 pages :  figures, tables ;  24 cm. +  1 computer disc 
<br/><br/> Includes Index. 
<br/><br/><label>ISBN: </label>013061890X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programmable controllers. <br/>Telecommunication systems.
<br/><br/><label>Dewey Class. No.: </label>629.89   / St423f