TY  - BOOK
AU  - Freeman,Roger L.
TI  - Telecommunication system engineering: analog and digital network design 
SN  - 0471029556
PY  - 1980///
CY  - New York
PB  - John Wiley & Sons
KW  - Telecommunication systems
KW  - Design and construction
KW  - Telephone systems
N1  - 'A Wiley-Interscience publication.'
ER  -