Unusual A2142 supercluster with a collapsing core: distribution of light and massMaret Einasto, Mirt Gramann, Enn Saar, Lauri Juhan Liivamägi, Elmo Tempel, Jukka Nevalainen, Pekka Heinämäki, Changbom Park and Jaan EinastoA&A, 580 (2015) A69DOI: https://doi.org/10.1051/0004-6361/201526399
