TY  - BOOK
AU  - WebbJohn W.
AU  - Reis,Ronald A.
TI  - Programmable logic controllers: Principles and applications
SN  - 0136794084
U1  - 629.89 
PY  - 1999///
CY  - Upper Saddle River, N.J.
PB  - Prentice-Hall
KW  - Programmable cotrollers
KW  - Control theory
KW  - Automatic control
KW  - Logic programming
N1  - Includes bibliographical references and index
ER  -