Communication technologies/.
Gehris, Dennis O.
Communication technologies/. - New Jersey : Prentice Hall, 2002. - 267 p. : ill. ; 26 cm.
0130400246
Telecommunication.
Information Technology.
TK 5101 / .G36 2002
Communication technologies/. - New Jersey : Prentice Hall, 2002. - 267 p. : ill. ; 26 cm.
0130400246
Telecommunication.
Information Technology.
TK 5101 / .G36 2002