Neutron-capture elements in dwarf galaxies - II. Challenges for the s- and i-processes at low metallicityÁ. Skúladóttir, C. J. Hansen, A. Choplin, S. Salvadori, M. Hampel and S. W. CampbellA&A, 634 (2020) A84DOI: https://doi.org/10.1051/0004-6361/201937075