TY  - BOOK
AU  - Petruzella, Frank D
TI  - Programmable logic controllers
SN  - 0-02-802661-6
U1  - 629.89 PET 
PY  - 1998///
CY  - NEW YORK
PB  - MCGRAW HILL
KW  - PROGRAMMABLE CONTROLER
ER  -