Swainston, Fred. <br/><br/>
A systems approach to programmable controllers / 

 - Albany  Delmar Publishers,  1992. 
 - xiv, 294 p. :  ill. ;  24 cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>0827346700 
<br/><br/><label>LC Class. No.: </label>TJ223.P76  / .S1 1991