TY  - BOOK
AU  - Martin,James
TI  - Future developments in telecommunications / 
SN  - 0133458504
U1  - 621.38 
PY  - 1977///
CY  - Englewood Cliffs
PB  - Prentice-Hall, 
KW  - Engineering
KW  - Telecommunications
KW  - Television
KW  - Law
KW  - Communication
KW  - Radio
KW  - Computer networks
ER  -