TY  - BOOK
AU  - John,Karl-Heinz
AU  - Tiegelkamp,Michael
TI  - IEC 61131-3: programming industrial automation system 
SN  - 3540677526
AV  - T59.5  .J63 2001
PY  - 2001///
CY  - Berlin
PB  - Springer
KW  - Programming industrial automation systems
ER  -