- TitleThe intensity of twilight and its connection with the density of the atmosphere / by Arvid Ljunhall.
- AuthorArvid LjunghallArvid Ljunghall,Lunds universitet. Observatoriet.
- Description171 p. :, 30 cm.
- Call NumberQC976 .T9 L68 1949
- SubjectsAstronomical photometry., Atmosphere, Upper., Twilight.
- PublishingHälsingborg :: [Lund Astronomisk Observatorium], 1949.
- MaterialBook

