TY  - BOOK
AU  - Gehris,Dennis
AU  - Szul,Linda F.
TI  - Communication Technologies
SN  - 0130400246
U1  - 621.382 21
PY  - 2002///
CY  - Upper Saddle River, NJ
PB  - Prentice Hall
KW  - Telecommunication
KW  - Information technology
N1  - Includes bibliographical references and index
ER  -