1. Augustine NR, Austin WM, Chyba C, et al. (2009) Seeking a human spaceflight program worthy of a great nation. Review of U.S. Human Spaceflight Plans Committee. Washington, DC: US Congress
2. Barany R (1906) Untersuchungen über den vom Vestibularapparat des Ohres reflektorisch ausgelösten rhythmischen Nystagmus und seine Begleiterscheinungen. Monatschr Ohrenkeilkde 40: 193–207
3. Barratt M (1995) A Space Medicine Manifesto. Notes of the Lecture on Current and Future Issues in Space Medicine presented at the Summer Session of the International Space University, Stockholm
4. Barratt M, Pool S (eds) (2008) Principles of Clinical Medicine for Space Flight. New York, NY: Springer
5. Churchill SE (1999) Introduction to human space life sciences. In: Keys to Space. An Interdisciplinary Approach to Space Studies. Houston A, Rycroft M (eds) Boston, MA: McGraw Hill, pp 1813–1821