TY  - BOOK
AU  - Gary,Dunning
TI  - Introduction to programmable logic controllers 
SN  - 813150302X (paperback)
PY  - 2002///
CY  - Australia
PB  - Thomson 
N2  - Economy edition printed in ASIA !!
UR  - http://www.amazon.com/exec/obidos/ASIN/813150302X/chopaconline-20
ER  -