Porto de Mello, Gustavo; del Peloso, Eduardo F.; Ghezzi, Luan (2006), "Astrobiologically Interesting Stars Within 10 Parsecs of the Sun", Astrobiology, 6 (2): 308–331, Bibcode:2006AsBio...6..308P, PMID16689649, arXiv:astro-ph/0511180 Freely accessible, doi:10.1089/ast.2006.6.308