Zieliński, Grzegorz. “Who Won the Fight for Everest? – the Century of the Death of George Mallory and Andrew Irvine”. Sport and Tourism Central European Journal 8, no. 1 (March 27, 2025): 11–34. Accessed April 3, 2025. https://czasopisma.ujd.edu.pl/index.php/sport/article/view/2588.