Petruzella, Frank D. <br/><br/>
Programmable logic controllers / 

 - 2nd ed. 
 - New York   Glencoe/McGraw-Hill,  1998. 
 - vii, 464 p. :  ill. (col.) ;  29 cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>0028026616  
<br/><br/><label>LC Class. No.: </label>TJ223.P76  / .P443 1998