ЛИРОВ, В.П. Informative Approach to Bibliography: Premises and Rudiments. Knygotyra, [S. l.], v. 9, n. 2, p. 33–50, 1972. DOI: 10.15388/Knygotyra.1972.34311. Disponível em: https://www.zurnalai.vu.lt/knygotyra/article/view/34311. Acesso em: 13 nov. 2025.