The Cosmic Large-Scale Structure in X-rays (CLASSIX) Cluster Survey - II. Unveiling a pancake structure with a 100 Mpc radius in the local UniverseHans Böhringer, Gayoung Chon and Joachim TrümperA&A, 651 (2021) A15DOI: https://doi.org/10.1051/0004-6361/202140595
