M. D. Betterton: Theory of structure formation in snowfields motivated by penitentes, suncups, and dirt cones. In: Physical Review E. Ser. 3, Bd. 63, Nr. 5, 2001, ISSN1539-3755, 056129, doi:10.1103/PhysRevE.63.056129
M. D. Betterton: Theory of structure formation in snowfields motivated by penitentes, suncups, and dirt cones. In: Physical Review E. Ser. 3, Bd. 63, Nr. 5, 2001, ISSN1539-3755, 056129, doi:10.1103/PhysRevE.63.056129