ANNIBALI, FRANCESCAFRANCESCAANNIBALI2020-09-042020-09-0420172397-3366http://hdl.handle.net/20.500.12386/27125The discovery of groups of dwarf galaxies in extremely isolated environments provides direct observational evidence of hierarchical assembly at small galactic scales.STAMPAenArticle10.1038/s41550-017-00392-s2.0-85027142421000406528600010https://www.nature.com/articles/s41550-017-00392017NatAs...1E..39AFIS/05 - ASTRONOMIA E ASTROFISICA