TY  - BOOK
AU  - Forouzan,Behrouz
AU  - Coombs,Catherine
AU  - Fegan,Sophia Chung
TI  - Introduction to data communications and networking
SN  - 0071157107
U1  - 004.6 22
PY  - 1998///
CY  - New york
PB  - WCB/McGraw-Hill
KW  - Data transmission systems
N1  - Includes bibliographical references and index
ER  -