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DESCRIZIONE

Color map, 87x137, folded into self wrapped cover, 28x20. Includes 9 insets. Shows telecommunications flows, density, telephone codes and time zones, United States Internet backbones, and fiber-optic cables. Includes statistics on telecommunications equipment, mobile communications, Internet hosts, and satellites, tables and text.

DETTAGLI

LICENZA : Tutti i diritti riservati
ARGOMENTI : # in Scienze umane / Tempo libero / Storia / Viaggi / Storia: specifici eventi e argomenti / Carte e atlanti geografici / Geografia storica
TAG : tag: Communications
FONTE : Petroleum Economist, Ltd.. London. Washington, DC. Telegeography, Inc.. London. Washington, DC