Rapport sur les travaux géodésiques exécutés de ... /
Schweizerische Geodätische Kommission.
Switzerland.Eidg. Landestopographie.
Zurich : Impr. Winterthur,
"Présenté à la ... Assemblée générale de l'Union géodésique internationale tenue à ..."
Imprint varies.
English title added: 1979 à 1982-
Description based on 1957 à 1959.
Geodesy
Geodesy
Swiss national report on the geodetic activities in the years ...