Study of muon-induced background in MMC detector arrays for the ECHo experiment A. Göggelmann, J. Jochum, L. Gastaldo, C. Velte and F. Mantegazzini Eur. Phys. J. C, 81 4 (2021) 363 Published online: 27 April 2021 DOI: 10.1140/epjc/s10052-021-09148-y