Goethite as an alternative origin of the 3.1 μm band on dark asteroids (Corrigendum)P. Beck, E. Quirico, D. Sevestre, G. Montes-Hernandez, A. Pommerol and B. SchmittA&A, 530 (2011) C2DOI: https://doi.org/10.1051/0004-6361/201015851e
