TY  - BOOK
AU  - Bernt,Phyllis W
AU  - Welss,Martin B H
TI  - International telecommunications
T2  - Proffessional reference series
SN  - 0672301199
U1  - 621.39 
PY  - 1993///
CY  - Indiana
PB  - Sams
KW  - telecommunication
ER  -