Ventskovska, O. A., O. V. Shylo, and G. A. Babiychuk. “Changes of Sleep After Long-Term and Rhythmic Cold Exposures”. Problems of Cryobiology and Cryomedicine 21, no. 3 (September 19, 2011): 251–262. Accessed April 29, 2024. http://journal.cryo.org.ua/index.php/probl-cryobiol-cryomed/article/view/123.