The matter distribution in the local Universe as derived from galaxy groups in SDSS DR12 and 2MRSChristoph Saulder, Eelco van Kampen, Igor V. Chilingarian, Steffen Mieske and Werner W. ZeilingerA&A, 596 (2016) A14DOI: https://doi.org/10.1051/0004-6361/201526711
