Lewis, R. W. <br/><br/>
Programming industrial control systems using IEC 1131-3 / 
R. W. Lewis 
 - Rev. ed. 
 - Stevenage, Herts., UK:   The Institution of Electrical Engineers,   1998 
 - xvi, 329 p.:   ill.;   24 cm. 
 - IEE control engineering series; 50 .
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0852969503 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programmable controllers<br/>Programmable controllers--Standards