TY  - GEN
AU  - Hackworth John R
AU  - Hackworth Frederick D
TI  - Programmable logic controllers: programming methods and applications 
SN  - 0130607185 :
AV  - TJ223.P76 
U1  - 629.89 
PY  - 2004///
CY  - Upper Saddle River, N.J. ; , [Great Britain]
PB  - Pearson/Prentice Hall
KW  - Programmable controllers
N1  - Formerly CIP.; Includes bibliographical references and index
ER  -