@article{101956, keywords = {methods: data analysis, cosmological parameters, cosmic background radiation, cosmology: observations, methods: statistical}, author = {Planck Collaboration and N. Aghanim and M. Arnaud and M. Ashdown and J. Aumont and C. Baccigalupi and A.~J. Banday and R.~B. Barreiro and J.~G. Bartlett and N. Bartolo and et al.}, title = {Planck 2015 results. XI. CMB power spectra, likelihoods, and robustness of parameters}, year = {2016}, journal = {\aap}, volume = {594}, pages = {A11}, month = {09/2016}, doi = {10.1051/0004-6361/201526926}, language = {eng}, }