African telecommunication indicators / International Telecommunications Union
Americas telecommunication indicators / International Telecommunications Union
Arab States telecommunication indicators / International Telecommunications Union
Telecommunication indicators for economies in transition 1994 / International Telecommunications Union
Telecommunication indicators western and southern Europe / International Telecommunications Union
World telecommunication development report 1994 [texto policopiado] : world telecommunication indicators / International Telecommunication Union
Les chiffres clés et indicateurs des télécommunications mondiales : 1993 / 1994
Cellular market report (274) : Portugal / ed. EMC