TY  - BOOK
AU  - Webb J.W.
AU  - Webb J.W. & Reis R.A.
TI  - Programmable Logic Controllers: Principles and Applications
SN  - 9780136794080
U1  - 629.8 
PY  - 1995///
PB  - Prentice Hall Of India
N1  - 148 I
ER  -