TY  - BOOK
AU  - Black,Uyless D.
TI  - Emerging communications technologies
SN  - 0137428340
U1  - 621.382 
PY  - 1997///
CY  - Upper Saddle River, NJ
PB  - Prentice Hall
KW  - Telecommunication
KW  - Data transmission systems
ER  -