Kovyazin О. S. Study of functioning of heat exchanger in soils with different thermal diffusivity. Geofizicheskiy Zhurnal, [S. l.], v. 40, n. 2, p. 164–170, 2018. DOI: 10.24028/gzh.0203-3100.v40i2.2018.128938. Disponível em: http://journals.uran.ua/geofizicheskiy/article/view/128938. Acesso em: 8 aug. 2022.