Ubiquitous signs of interactions in early-type galaxies with prolate rotation Ivana Ebrová, Michal Bílek, Ana Vudragović, Mustafa K. Yıldız and Pierre-Alain Duc A&A, 650 (2021) A50 Published online: 07 June 2021 DOI: 10.1051/0004-6361/202140588