KRUPA, A.; HOJAN, M. Analiza poglądów na rozwój ozów = Analysis of views on the esker genesis. Journal of Education, Health and Sport, [S. l.], v. 5, n. 12, p. 717–730, 2015. Disponível em: https://apcz.umk.pl/JEHS/article/view/3410. Acesso em: 30 jun. 2024.