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Zhang, K. Dose; A. Bieger-Dose; R. Dillmann; M. Gill; O. Kerz (1995). A. Klein, H. Meinert, T. Nawroth, S. Risi, C. Stride. “ERA-experiment "space biochemistry"”. 《Advances in Space Research》 16 (8): 119–129. Bibcode:1995AdSpR..16..119D. doi:10.1016/0273-1177(95)00280-R. PMID11542696.
Horneck G; Eschweiler U; Reitz G; Wehner J; Willimek R; Strauch K. (1995). “Biological responses to space: results of the experiment "Exobiological Unit" of ERA on EURECA I”. 《Adv. Space Res.》 16 (8): 105–18. Bibcode:1995AdSpR..16..105H. doi:10.1016/0273-1177(95)00279-N. PMID11542695.
Glud, Ronnie; Wenzhöfer, Frank; Middelboe, Mathias; Oguri, Kazumasa; Turnewitsch, Robert; Canfield, Donald E.; Kitazato, Hiroshi (2013년 3월 17일). “High rates of microbial carbon turnover in sediments in the deepest oceanic trench on Earth”. 《Nature Geoscience》 6 (4): 284–288. Bibcode:2013NatGe...6..284G. doi:10.1038/ngeo1773.
Zhang, K. Dose; A. Bieger-Dose; R. Dillmann; M. Gill; O. Kerz (1995). A. Klein, H. Meinert, T. Nawroth, S. Risi, C. Stride. “ERA-experiment "space biochemistry"”. 《Advances in Space Research》 16 (8): 119–129. Bibcode:1995AdSpR..16..119D. doi:10.1016/0273-1177(95)00280-R. PMID11542696.
Horneck G; Eschweiler U; Reitz G; Wehner J; Willimek R; Strauch K. (1995). “Biological responses to space: results of the experiment "Exobiological Unit" of ERA on EURECA I”. 《Adv. Space Res.》 16 (8): 105–18. Bibcode:1995AdSpR..16..105H. doi:10.1016/0273-1177(95)00279-N. PMID11542695.
Campbell, Neil A.; Brad Williamson; Robin J. Heyden (2006). 《Biology: Exploring Life》. Boston, Massachusetts: Pearson Prentice Hall. ISBN978-0-13-250882-7. 2014년 11월 2일에 원본 문서에서 보존된 문서. 2008년 9월 14일에 확인함.
"Biosphere" in The Columbia Encyclopedia, 6th ed. (2004) Columbia University Press.
Campbell, Neil A.; Brad Williamson; Robin J. Heyden (2006). 《Biology: Exploring Life》. Boston, Massachusetts: Pearson Prentice Hall. ISBN978-0-13-250882-7. 2014년 11월 2일에 원본 문서에서 보존된 문서. 2008년 9월 14일에 확인함.