TY  - BOOK
AU  - HACKWORTH, JOHN R.
AU  - HACKWORTH, FREDERICK D.
TI  - PROGRAMMABLE LOGIC CONTROLLERS (CD)
SN  - 8177587714
U1  - 004.115/HAC/HAC 
PY  - 2007///
CY  - SINGAPORE.
PB  - PEARSON EDUCATION PTE LTD.,SINGAPORE
ER  -