Planck Collaboration, Abergel, A., Ade, P. A. R., Aghanim, N., Arnaud, M., Ashdown, M., et al. (2011). Planck early results - XXV. Thermal dust in nearby molecular clouds. Astronomy & Astrophysics, 536: A25, pp. 1-18. doi:10.1051/0004-6361/201116483.