Acta
Acta astronomica [elektronický zdroj]. -- v. 6- 1956-. -- Warsaw, Polska Akademia Nauk, Komitet Astronomii. -- v. ill. 24 cm.
Polska Akademia Nauk. Komitet Astronomii
Engineering - Aerospace and Aeronautics. Physics - Astronomy. Physics - Astrophysics. Astronomy - Periodicals. Sterrenkunde