Report of the Director General of Telecommunications to the Secretary of State for Trade and Industry for the period 1 January to 31 December 1997.
Great Britain.Office of Telecommunications.
Great Britain.Parliament.(Session 1997-98).House of Commons.
Great Britain.Department of Trade and Industry.
London : Stationery Office,
1998.
Published as 652 of the House of Commons paper series.
Cover title: Oftel 1997 annual report.