TY  - BOOK
AU  - Webb, John W
AU  - Reis, Ronald A
TI  - Programmable Logic Controllers : Principles and Applications
SN  - 9788120323087
U1  - 629.89  WEB 
PY  - 2013///
CY  - New Delhi
PB  - Pearson
KW  -  Programmable Controllers
ER  -