Stenerson, Jon. <br/><br/>
Fundamentals of programmable logic controllers, sensors, and communications / 
Jon Stenerson. 
 - Englewood Cliffs, N.J. :  Regents/Prentice Hall,  c1993. 
 - xiii, 272 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0137268602 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programmable controllers.