TY  - BOOK
AU  - Halsall,Fred
TI  - Introduction to data communications and computer networks
SN  - 0201145405
PY  - 1985///
CY  - Wokingham, England
PB  - Addison-Wesley
KW  - Data transmission systems
KW  - Computer networks
KW  - Local area networks (Computer networks)
KW  - Computer network protocols
ER  -