5–14 μm Spitzer spectra of Themis family asteroidsJ. Licandro, K. Hargrove, M. Kelley, H. Campins, J. Ziffer, V. Alí-Lagoa, Y. Fernández and A. RivkinA&A, 537 (2012) A73DOI: https://doi.org/10.1051/0004-6361/201118142