TY  - BOOK
AU  - Hackworth, John R. 
AU  - Hackworth, Frederick D. 
TI  - Programmable Logic Controllers: Programming Methods and Applications
SN  - 9788177587715
U1  - 629.89 
PY  - 2004///
CY  - Noida
PB  - Pearson India
KW  - Programmable Controllers
ER  -