Erickson, Kelvin T. <br/><br/>
Programmable logic controllers :  an emphasis on design and application / 
Kelvin T. Erickson 
 - 2nd ed. 
 - Rolla, MO :  Dogwood Valley Press,  2011 
 - x, 1489 p. :  ill. ;  27 cm. +  1 CD-ROM 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780976625926 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programmable controllers