TY  - BOOK
AU  - Freeman,Roger L.
TI  - Practical data communications
SN  - 0471310212
AV  - TK5105 .F72 1995
U1  - 004.6 20
PY  - 1995///
CY  - New York
PB  - John Wiley & Sons, Inc.
KW  - Data transmission systems
N1  - "A Wiley-Interscience publication."; Includes bibliographical references and index
ER  -