Bulletin de l'Observatoire Astronomique de Wilno. 1938, No 20 ; Biuletyn Obserwatorjum Astronomicznego w Wilnie. 1 Astronomie. 1938, No 20
Publisher: Place of publication/creation: Date: Source:Biblioteka Jagiellońska, 102685 II
Digital copy identifier: Coverage: Language: Rights:Domena publiczna (public domain)
Location of original document: Resource Type: Computer Catalogue: Sponsorship: