Visible spectroscopy of the Sulamitis and Clarissa primitive families: a possible link to Erigone and PolanaDavid Morate, Julia de León, Mário De Prá, Javier Licandro, Antonio Cabrera-Lavers, Humberto Campins and Noemí Pinilla-AlonsoA&A, 610 (2018) A25DOI: https://doi.org/10.1051/0004-6361/201731407