Low abundance, strong features: Window-dressing crystalline forsterite in the disk wall of HD 100546 - Mulders, G. D.; Waters, L. B. F. M.; Dominik, C.; Sturm, B.; Bouwman, J.; Min, M.; Verhoeff, A. P.; Acke, B.; Augereau, J. C.; Evans, N. J., II; Henning, Th.; Meeus, G.; et al. (Astronomy & Astrophysics, 2011)