Winkler, M., Kaser, G., Cullen, N. J., Mölg, T., Hardy, D. R., & Tad Pfeffer, W. (2010). Land-based marginal ice cliffs: Focus on Kilimanjaro. ERDKUNDE, 64(2), 179–193. https://doi.org/10.3112/erdkunde.2010.02.05