TY  - BOOK
AU  - Clark,M.P.
TI  - Networks and telecommunications : : design and operation / 
SN  - 0471973467   
AV  - TK5102.5 .C53 1997 
PY  - 1997///
CY  - Chichester, England
PB  - John Wiley, 
KW  - Computer networks
KW  - Data transmission systems
KW  - Telecommuniction systems
N1  - Includes index
ER  -