Posti- ja lennätinlaitoksen taloudellinen kehitys vuoteen 1975 =
Subtitle: Post- och telegrafverkets ekonomiska utveckling till år 1975 = The economic development of the Post and Telegraph Office until 1975
By: Leo Törnqvist.
Contributors: Finland. Posti- ja lennätinhallitus.
Publisher: Posti- ja lennätinhallitus
Published: 1977
Place of publication: Helsinki
Language: fin
Number of pages: 159
Subjects: Finland. Posti- ja lennätinhallitus -- Statistics.
Other titles: Post- och telegrafverkets ekonomiska utveckling till år 1975.; The economic development of the Post and Telegraph Office until 1975.
Notes: "Appendix of the annual report of the Administration of Posts and Telegraphs for the year 1975."
English, Finnish, and Swedish.