Charles H. Lineweaver (). „An Estimate of the Age Distribution of Terrestrial Planets in the Universe: Quantifying Metallicity as a Selection Effect”. Icarus. 151: 307. doi:10.1006/icar.2001.6607. arΧiv:astro-ph/0012399.
Charles H. Lineweaver (). „An Estimate of the Age Distribution of Terrestrial Planets in the Universe: Quantifying Metallicity as a Selection Effect”. Icarus. 151: 307. doi:10.1006/icar.2001.6607. arΧiv:astro-ph/0012399.