TY  - ADVS
AU  - John, Karl Heinz
ED  - Tiegelkamp, Michael
TI  - IEC 61131-3: Programming industrial automation systems :concepts and programming languages, requirements for programming systems, aids to decision making
U1  - A134167 
PY  - 2001///
CY  - 
PB  - Springer-Verlag
ER  -