Factors Controlling Velocity Variations at Short-Term, Seasonal and Multiyear Time Scales, Ritigraben Rock Glacier, Western Swiss Alps. - Kenner, Robert; Phillips, Marcia; Beutel, Jan; Hiller, Martin; Limpach, Philippe; Pointner, Eric; Volken, Martin (Permafrost & Periglacial Processes, 2017)