1. Statistical properties of exoplanets;Udry;Ann. Rev. Astron. Astrophys.,2007
2. J. Schneider, The Extrasolar Planets Encyclopaedia. 〈http://exoplanet.eu/〉 (accessed August 2010).
3. Darwin—an experimental astronomy mission to search for extrasolar planets;Cockell;Exp. Astr.,2009
4. The astronomical, astrobiological and planetary science case for interstellar spaceflight;Crawford;J. Brit. Interplanet. Soc.,2009
5. Project Icarus: son of Daedalus—flying closer to another star;Long;J. Brit. Interplanet. Soc.,2009