TY  - BOOK
AU  - Hackworth,John R
AU  - Hackworth,Frederick D
TI  - Programmable logic controllers : Programming methods and applications
SN  - 978-81-775-8771-5
U1  - 621.395 
PY  - 2006///
CY  - New Delhi
PB  - Pearson
KW  - Electrical Engineering
ER  -