Telephony [electronic resource].
Global telephony
- Chicago, U.S.A. : Chambers-McMeal Co., [1901-
- Weekly, except semiweekly the first week in July <1989- >
- Vol. 1, no. 1 (Jan. 1901)-
Beginning in 1990 (?) one issue per month called: Global telephony. Imprint varies. Trade Publication
Volume numbering irregular: v. 20-58 omitted in numbering.
0040-2656
Telephone--Periodicals.
TK1 / .T36
Beginning in 1990 (?) one issue per month called: Global telephony. Imprint varies. Trade Publication
Volume numbering irregular: v. 20-58 omitted in numbering.
0040-2656
Telephone--Periodicals.
TK1 / .T36