@book{id_12718, author = "Helfricht, K. and Kuhn, M. and Keuschnig, M. and Heilig, A.", title = "Lidar snow cover studies on glaciers in the Ă–tztal Alps (Austria): Comparison with snow depths calculated from GPR measurements", year = "2014", series = "The Cryosphere", url = "https://doi.org/10.5194/tc-8-41-2014", }