TY  - BOOK
AU  - Purser,Michael
TI  - Computers and telecommunications networks
SN  - 0632016477
U1  - 004.6�19 
PY  - 1987///
CY  - Oxford [Oxfordshire], Boston
PB  - Blackwell Scientific Publications
KW  - Telecommunication systems
KW  - Data transmission systems
KW  - Computer networks
ER  -