TY  - BOOK
AU  - Pessen, D. 
AU  - Hubl, W. 
TI  - The Design and  applications of programmable sequence controllers for automation systems
SN  - 0-582-50401-5
U1  - 629.89 
PY  - 1979///
CY  - London
PB  - Longman
KW  - automatic control engineering
KW  - Sequence controllers
N1  - Includes bibliography references
ER  -