Določitev zemljepisne dolžine Astronomsko-geofizikalnega observatorija v Ljubljani.
By: [Elaborat sestavila: Pavla Ranzingerjeva in Marijan Prosén]
Contributors: Ranzingerjeva, Pavla.; Prosén, Marijan.
Published: 1969
Place of publication: Ljubljana
Language: hrv
Number of pages: 68
Notes: Bibliography: p. 67-68.
Summary in English.