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Franck, S.; von Bloh, W.; Bounama, C.; Steffen, M.; Schönberner, D.; Schellnhuber, H.-J. Habitable Zones and the Number of Gaia's Sisters(PDF). Montesinos, Benjamin; Giménez, Alvaro; Guinan, Edward F. (编). ASP Conference Series. The Evolving Sun and its Influence on Planetary Environments. Astronomical Society of the Pacific: 261–272. 2002 [April 26, 2013]. Bibcode:2002ASPC..269..261F. ISBN 1-58381-109-5. (原始内容(PDF)存档于2021-04-08).
Nicholson, W. L.; Moeller, R.; Horneck, G.; (The Protect Team). Transcriptomic Responses of GerminatingBacillus subtilisSpores Exposed to 1.5 Years of Space and Simulated Martian Conditions on the EXPOSE-E Experiment PROTECT. Astrobiology. 2012, 12 (5): 469–86. Bibcode:2012AsBio..12..469N. PMID 22680693. doi:10.1089/ast.2011.0748.引文使用过时参数coauthors (帮助)
Kasting, J.F.; Ackerman, T.P. Climatic Consequences of Very High Carbon Dioxide Levels in the Earth's Early Atmosphere. Science. 1986, 234 (4782): 1383–1385. PMID 11539665. doi:10.1126/science.11539665.
Nicholson, W. L.; Moeller, R.; Horneck, G.; (The Protect Team). Transcriptomic Responses of GerminatingBacillus subtilisSpores Exposed to 1.5 Years of Space and Simulated Martian Conditions on the EXPOSE-E Experiment PROTECT. Astrobiology. 2012, 12 (5): 469–86. Bibcode:2012AsBio..12..469N. PMID 22680693. doi:10.1089/ast.2011.0748.引文使用过时参数coauthors (帮助)
Franck, S.; von Bloh, W.; Bounama, C.; Steffen, M.; Schönberner, D.; Schellnhuber, H.-J. Habitable Zones and the Number of Gaia's Sisters(PDF). Montesinos, Benjamin; Giménez, Alvaro; Guinan, Edward F. (编). ASP Conference Series. The Evolving Sun and its Influence on Planetary Environments. Astronomical Society of the Pacific: 261–272. 2002 [April 26, 2013]. Bibcode:2002ASPC..269..261F. ISBN 1-58381-109-5. (原始内容(PDF)存档于2021-04-08).
Franck, S.; von Bloh, W.; Bounama, C.; Steffen, M.; Schönberner, D.; Schellnhuber, H.-J. Habitable Zones and the Number of Gaia's Sisters(PDF). Montesinos, Benjamin; Giménez, Alvaro; Guinan, Edward F. (编). ASP Conference Series. The Evolving Sun and its Influence on Planetary Environments. Astronomical Society of the Pacific: 261–272. 2002 [April 26, 2013]. Bibcode:2002ASPC..269..261F. ISBN 1-58381-109-5. (原始内容(PDF)存档于2021-04-08).
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