TY  - BOOK
AU  - Freeman Roger L
TI  - Practical data communications
SN  - 0471392731 (pbk)
U1  - D65,8(B):7, P1   TD 
PY  - 2001///
CY  - New York John Wiley Sons, Inc.
KW  -  Interfacing Communications
KW  - Computer Science
N1  - Includes bibliographical references.; Appendix I-II, 757-777p
ER  -