JANONIS, Osvaldas. The structure and concept of the theory of bibliography. Knygotyra, [S. l.], v. 21, n. 14-2, p. 5–14, 2024. DOI: 10.15388/Knygotyra.1988.36569. Disponível em: https://www.zurnalai.vu.lt/knygotyra/article/view/36569. Acesso em: 13 nov. 2025.