Tidal forces in dirty black hole spacetimes Haroldo C. D. Lima Junior, Mateus M. Corrêa, Caio F. B. Macedo and Luís C. B. Crispino Eur. Phys. J. C, 82 5 (2022) 479 Published online: 24 May 2022 DOI: 10.1140/epjc/s10052-022-10410-0