Annuaire statistique des télécommunications du secteur public : (séries chronologiques 1978-1987) / Union Internationale des Télécommunications
Yearbook of statistics : telecommunication services: chronological time series 1986-1995 / International Telecommunication Union
Yearbook of statistics : telecommunications services: chronological time series 1988-1997 / International Telecommunication Union
Yearbook of statistics : telecommunications services: chronological time series 1989-1998 / International Telecommunication Union
Yearbook of statistics : telecommunication services: chronological time series 1990-1999 / International Telecommunication Union
Yearbook of statistics : telecommunication services: chronological time series 1992-2001 / International Telecommunication Union
Yearbook of statistics : telecommunication services: chronological time series 1993-2002 / International Telecommunication Union
Handbook on emergency telecommunications / International Telecommunication Union
Yearbook of statistics : telecommunication services: chronological time series 1994-2003 / International Telecommunication Union
Yearbook of statistics : telecommunication services: chronological time series 1995-2004 / International Telecommunication Union
Yearbook of statistics : telecommunication/ICT Indicators: chronological time series 1999-2008 / International Telecommunication Union
Yearbook of statistics [documento electrónico] : telecommunication: ICT indicators: chronological time series 2000-2009 / International Telecommunication Union