TY  - BOOK
AU  - Black, Uyless
TI  - Emerging communications technologies
SN  - 01305150000
AV  - TK 5101 .B53 1994 
PY  - 1994///
CY  - New Jersey
PB  - Prentice Hall.
KW  - TELECOMMUNICATION
N1  - Includes references and index
ER  -