TY  - BOOK
AU  - Michel 
AU  - Duncan, F.
TI  - Programmable logic controllers : architecture and application 
SN  - 0471924636 
U1  - 629.895 MIC 1990 
PY  - 1995///
CY  - Englewood Cliff, New Jersey
PB  - Prentice Hall
KW  - Programmable controllers
N1  - Includes bibliographical references and index
ER  -