TY  - BOOK
AU  - Rohner, Peter
TI  - PLC : Automation with Programmable Logic Controllers
SN  - 9780333674857
U1  - 670.425 
CY  - London
PB  - Macmillan Press Ltd
KW  - Bistable and Monostable outputs, Timers in PLC, Sequential PLC Machine Control Design
ER  -