GERMANAS, N. In Response to the Requirements of Time. Problemos, [S. l.], v. 25, p. 115–116, 1980. DOI: 10.15388/Problemos.1980.25.6284. Disponível em: https://www.journals.vu.lt/problemos/article/view/6284.. Acesso em: 28 apr. 2024.