Sloan Great Wall as a complex of superclusters with collapsing cores Maret Einasto, Heidi Lietzen, Mirt Gramann, Elmo Tempel, Enn Saar, Lauri Juhan Liivamägi, Pekka Heinämäki, Pasi Nurmi and Jaan Einasto A&A, 595 (2016) A70 Published online: 31 October 2016 DOI: 10.1051/0004-6361/201628567