TY  - BOOK
AU  - Gehris,Dennis O.
AU  - Szul,Linda F.
TI  - Communication technologies
SN  - 0130400246
PY  - 2002///
CY  - Upper Saddle River, NJ
PB  - Prentice Hall
KW  - Information technology
KW  - Telecommunication
N1  - Includes glossary and index
ER  -