Collaboration, Planck, P. A. R. Ade, N. Aghanim, M. Arnaud, M. Ashdown, J. Aumont, C. Baccigalupi, et al. (2016) 2016. “Planck 2015 Results. XIV. Dark Energy and Modified Gravity”. \aap 594: A14. doi:10.1051/0004-6361/201525814. Reference Link
Collaboration, Planck, P. A. R. Ade, N. Aghanim, M. Arnaud, M. Ashdown, J. Aumont, C. Baccigalupi, et al. (2016) 2016. “Planck 2015 Results. XXI. The Integrated Sachs-Wolfe Effect”. \aap 594: A21. doi:10.1051/0004-6361/201525831. Reference Link