Kuudes kongressi Helsingissä toukokuun 11-15, 1970 =
Subtitle: Den sjätte kongressen i Helsingfors 11-15 maj, 1970
By: Pohjoismainen geodeettinen komissio.
Publisher: Komissio
Published: 1971
Place of publication: Helsinki
Language: fin
Number of pages: 426
Subjects: Geodesy -- Scandinavia -- Congresses.
Notes: Text in Danish, English, Norwegian, or Swedish.