Modern telephony
Harb, M.
Modern telephony [Books]. M. Harb. - Englewood Cliffs Prentice Hall 1989 - Pages: 193
0135987725 0.00
Telephone systems.
Telephone.
TK/6162 / HAR
Modern telephony [Books]. M. Harb. - Englewood Cliffs Prentice Hall 1989 - Pages: 193
0135987725 0.00
Telephone systems.
Telephone.
TK/6162 / HAR