Çalışkan, O., G. Gürgen, E. Yılmaz, and S. Yeşilyurt. “Glacial Morphology and Debris-Covered Glaciers of Northeast of Bolkar Mountains”. Journal of Human Sciences, vol. 9, no. 1, May 2012, pp. 890-11, https://www.j-humansciences.com/ojs/index.php/IJHS/article/view/2126.