KALENDA, Česlovas. About the Formation of Ecological Ethics. Problemos, [S. l.], v. 50, p. 102–112, 1996. DOI: 10.15388/Problemos.1996.50.6981. Disponível em: https://www.zurnalai.vu.lt/problemos/article/view/6981. Acesso em: 7 nov. 2025.