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2 documents.
1.
Universal telephone service : ready for the 21st century?
/ Institute for Information Studies (Falls Church, Va.); The Aspen Institute; Northern Telecom Inc..
[Falls Church, Va.?] : Institute for Information Studies, c1991.
2.
Telecommunications in Canada: an industry overview
/ Canada. Industry Canada. Telecommunications Policy Branch; Canada. Industry Canada. Spectrum, Information Technologies and Telecommunications Sector; Canada. Industry Canada. Services, Science & Technology Division; Canada. Communications Canada. Telecommunications Policy Branch. Financial & Regulatory Policy.
Ottawa : Industry Canada, 1991-
- Date de modification :