VARNIENĖ, Regina. Modern informational systems in chemistry and chemical technology. Knygotyra, [S. l.], v. 15, n. 8-2, p. 68–78, 1981. DOI: 10.15388/Knygotyra.1981.27987. Disponível em: https://test.zurnalai.vu.lt/knygotyra/article/view/27987. Acesso em: 24 oct. 2025.