Collaboration, Planck, P. A. R. Ade, N. Aghanim, M. Arnaud, M. Ashdown, J. Aumont, C. Baccigalupi, et al. (2016) 2016. “Planck 2015 Results. XV. Gravitational Lensing”. \aap 594: A15. doi:10.1051/0004-6361/201525941.
Collaboration, Planck, P. A. R. Ade, N. Aghanim, M. Arnaud, M. Ashdown, J. Aumont, C. Baccigalupi, et al. (2016) 2016. “Planck 2015 Results. XIII. Cosmological Parameters”. \aap 594: A13. doi:10.1051/0004-6361/201525830.