ВЯЛЬЯОТС, М.В. The Aging Aspects in Evaluating Library Collections of Scientific Literature. Knygotyra, [S. l.], v. 11, n. 4, p. 65–72, 1974. DOI: 10.15388/Knygotyra.1974.26938. Disponível em: https://test.zurnalai.vu.lt/knygotyra/article/view/26938. Acesso em: 24 oct. 2025.