MASIOKAS, Mykolas. The Main Problems of Universal Typological Classification of Documents. Knygotyra, [S. l.], v. 18, n. 11-2, p. 38–46, 1985. Disponível em: https://test.zurnalai.vu.lt/knygotyra/article/view/34364. Acesso em: 23 oct. 2025.