Reconstruction of four-dimensional rockfall trajectories using remote sensing and rock-based accelerometers and gyroscopes - Caviezel, A.; Demmel, S. E.; Ringenbach, A.; Bühler, Y.; Lu, G.; Christen, M.; Dinneen, C. E.; Eberhard, L. A.; von Rickenbach, D.; Bartelt, P. (Earth Surf. Dynam., 2019)