ЯНОНИС, Освальдас. Universal means and ways of cognition in the science of bibliography. Knygotyra, [S. l.], v. 17, n. 10-2, p. 28–40, 1983. Disponível em: https://www.journals.vu.lt/knygotyra/article/view/29966.. Acesso em: 7 jul. 2024.