Collaboration, Planck, N. Aghanim, M. Ashdown, J. Aumont, C. Baccigalupi, M. Ballardini, A. J. Banday, et al. (2016) 2016. “Planck Intermediate Results. XLIX. Parity-Violation Constraints from Polarization Data”. \aap 596: A110. doi:10.1051/0004-6361/201629018.

Collaboration, Planck, P. A. R. Ade, N. Aghanim, M. Arnaud, M. Ashdown, J. Aumont, C. Baccigalupi, et al. (2016) 2016. “Planck 2015 Results. XVIII. Background Geometry and Topology of the Universe”. \aap 594: A18. doi:10.1051/0004-6361/201525829.

Collaboration, Planck, P. A. R. Ade, N. Aghanim, Y. Akrami, P. K. Aluri, M. Arnaud, M. Ashdown, et al. (2016) 2016. “Planck 2015 Results. XVI. Isotropy and Statistics of the CMB”. \aap 594: A16. doi:10.1051/0004-6361/201526681.

Collaboration, Planck, N. Aghanim, M. Arnaud, M. Ashdown, J. Aumont, C. Baccigalupi, A. J. Banday, et al. (2016) 2016. “Planck 2015 Results. XI. CMB Power Spectra, Likelihoods, and Robustness of Parameters”. \aap 594: A11. doi:10.1051/0004-6361/201526926.