TY  - BOOK
AU  - Petruzella,Frank D.
TI  - Programmable logic controllers
SN  - 9780028026619
U1  - 629.895 23
PY  - 1989///
CY  - Columbus
PB  - McGraw-Hill Publishing Company
KW  - Programmable logic controllers
N1  - Includes Glossary and Index
ER  -