TY  - BOOK
AU  - Halsall, Fred
TI  - Data Communications,Computer Networks and Open Systems
SN  - 8178080982
AV  - TK105.H35  1996 11171
PY  - 1996///
CY  - India
PB  - Pearson Education
KW  - 1. Data communications 2. Computer networks 2. Open systems
N1  - Includes bibliographical references and index
ER  -