TY  - BOOK
AU  - Webb, John W., Reis, Ronald A.
TI  - Programmable logic controllers: principles and applications
SN  - 9788120323087
U1  - 005.1 
PY  - 2006///
CY  - New Delhi
PB  - Prentice-Hall
KW  - Computer science
KW  - Programming
KW  - Software
ER  -