Planck Collaboration, Ade, P. A. R., Alves, M. I. R., Aniano, G., Armitage-Caplan, C., Arnaud, M., et al. (2015). Planck intermediate results - XXII. Frequency dependence of thermal emission from Galactic dust in intensity and polarization. Astronomy & Astrophysics, 576: A107, pp. 1-25. doi:10.1051/0004-6361/201424088.