HARRIS, S. A. Ice caves and permafrost zones in Southwest Alberta. ERDKUNDE, [S. l.], v. 33, n. 1, p. 61–70, 1979. DOI: 10.3112/erdkunde.1979.01.07. Disponível em: https://www.erdkunde.uni-bonn.de/article/view/1868. Acesso em: 30 apr. 2025.