Soruco, Álvaro, C. Vincent, B. Francou, and A. Rabatel. “Comparison of Methods to Estimate the Glacier Mass Balance of Zongo Glacier, Bolivia (s 16°, W 68°)”. Geoacta, vol. 39, no. 1, Apr. 2014, pp. 154-65, https://revistas.unlp.edu.ar/geoacta/article/view/13520.