KRAKAUSKAS, Edmundas. Man: Ratio of Natural and Social Origins. Problemos, [S. l.], v. 41, p. 5–15, 1989. DOI: 10.15388/Problemos.1989.41.7116. Disponível em: https://test.zurnalai.vu.lt/problemos/article/view/7116. Acesso em: 25 oct. 2025.