TY  - BOOK
AU  - Black, Uyless D.
AU  - Title.
TI  - Programmable logic controllers
SN  - 0130224634
PY  - 2000///
CY  - Upper Saddle River, N.J.
PB  - Prentice Hall PTR
KW  - Internet telephony
KW  - TCP/IP (Computer network protocol)
N1  - Includes bibliographical references (p. 317-319) and index
ER  -