Geneva : International Telecommunication Union, 1994-
Description Physique
v. : ill.
Notes
Subtitle varies every year: --1995: Information infrastructures : world telecommunication indicators. --1996/97: Trade in telecommunications : world telecommunication indicators. --1998: Universal access : world telecommunication indicators. --1999: Mobile cellular : world telecommunication indicators. --2002: Reinventing telecoms : world telecommunication indicators. --2003: Access indicators for the information society. --2006: Measuring ICT for social and economic development.