TY  - BOOK
AU  - Tolhurst,M.R.
TI  - Open Systems Interconnection
SN  - 0333468031
U1  - 084TK/5105.5 
PY  - 1988///
CY  - London
PB  - MacMillan Education Ltd.
KW  - Computer networks.
KW  - Local area networks (Computer networks).
ER  -