Location and sizes of forsterite grains in protoplanetary disks - Interpretation from the Herschel DIGIT programmeK. M. Maaskant, B. L. de Vries, M. Min, L. B. F. M. Waters, C. Dominik, F. Molster and A. G. G. M. TielensA&A, 574 (2015) A140DOI: https://doi.org/10.1051/0004-6361/201423770