KALENDA, Česlovas. Ecomoral Imperative: Sources and Content. Problemos, [S. l.], v. 49, p. 61–68, 1996. DOI: 10.15388/Problemos.1996.49.6993. Disponível em: https://www.journals.vu.lt/problemos/article/view/6993.. Acesso em: 27 apr. 2024.