TY  - BOOK
AU  - Hackworth, John R
AU  - Hackworth, Frederick D
TI  - Programmable logic controllers : programming methods and applications
SN  - 9780130607188
SN  - 200304361
U1  - 629.89 HAC 
PY  - 2004///
CY  - Upper Saddle River, NJ
PB  - Pearson/Prentice Hall
KW  - Programmable controllers
N1  - Includes bibliographical references and index
ER  -