The public data networks in the nordic countries : Denmark, Finland, Norway, Sweden / The telecommunications administrations i Denmark, Finland, Norway and Sweden

The telecommunications administrations i Denmark, Finland, Norway and Sweden

The telecommunications administrations i Denmark, Finland, Norway and Sweden, 1978

49 p. : il

Telecomunicações

Telecomunicações; Sistema de comunicações; Telefone; Telex

621.39

1978

Material Textual Impresso

eng