Vázquez, M.; Pallé, E.; Rodríguez, P. Montañés (2010). «Is Our Environment Special?». The Earth as a Distant Planet: A Rosetta Stone for the Search of Earth-Like Worlds. Col: Astronomy and Astrophysics Library. [S.l.]: Springer New York. pp. 391–418. ISBN978-1-4419-1683-9. doi:10.1007/978-1-4419-1684-6 See table 9.1.