John Karl-Heintz and Tiegelkamp, Michael <br/><br/>
IEC: 61131-3: Prgramming industrial Automation Systems. 

 - Berlin  Springer-Verlag  2001 
 - vi+376 
<br/><br/><label>Universal Decimal Class. No.: </label>681.3.066:62-55  / JOH.01