B. Imhof:
"Mars Habitat - Aurora’s roadmap to Mars";
European Space Agency, http://www.esa.int/export/SPECIALS/Aurora/SEMXZY27 (2003).
19 December 2003
Draft design of the human modules for Mars exploration currently being studied in the ESA/ESTEC Concurrent Design Facility in the framework of the Aurora long-term plan
Credits: Liquifer, Viena, Austria