MATULAITYTĖ, Stasė. The library of the old Vilnius university observatory. Knygotyra, [S. l.], v. 20, n. 13-1, p. 68–85, 1987. Disponível em: https://www.journals.vu.lt/knygotyra/article/view/30019.. Acesso em: 18 may. 2024.