TY  - BOOK
AU  - Batten,George L.
TI  - Programmable controllers: hardware, software, and applications 
SN  - 0-8306-3147-X
AV  - TJ223 .P76 B38
PY  - 1988///
CY  - Blue Ridge Summit, PA
PB  - TAB Professional Books
N1  - Bibliografia:  p. 285-288
ER  -