TY  - BOOK
AU  - Den Otter,Job
TI  - Programmable logic controllers : operation, interfacing, and programming
SN  - 0137302274
U1  - TJ/223.P76 
PY  - 1988///
CY  - Englewood Cliffs
PB  - Prentice-Hall International Editions
KW  - Logic programming.
ER  -