Searches for gamma-ray lines and 'pure WIMP' spectra from Dark Matter annihilations in dwarf galaxies with H.E.S.S. Issue 11 (23rd November 2018) - Cirelli, M.; Panci, P.; Sala, F.; Silk, J.; Taoso, M.; Abdalla, H.; Aharonian, F.; Benkhali, F. Ait; Angüner, E.O.; Arakawa, M.; Arcaro, C.; Armand, C.; et al.