1. Bybee, R.W., Taylor, J.A., Gardner, A., Van Scotter, P., Powell, J.C., Westbrook, A. & Landes, N. (2006). The BSCS 5E Instructional Model: origins, effectiveness, and applications. A report prepared for the Office of Science Education, National Institutes of Health, http://science.education.nih.gov.
2. Dartnell, L.R. & Burchell, M.J. (2009). Survey on astrobiology research and teaching activities within the United Kingdom. Astrobiology, 9, 717–730.
3. Des Marais, D.J. (1995). The biogeochemistry of hypersaline microbial mats. Advances in Microbial Ecology, 14, 251–274.
4. Des Marais, D.J., Nuth, J.A., III, Allamandola, L.J., Boss, A.P., Farmer, J.D., Hoehler, T.M. et al. (2008). The NASA astrobiology roadmap. Astrobiology, 8, 715–730.
5. Doran, P. (2012). Human and robotic astrobiological research in the McMurdo Dry Valleys, Antarctica [online]. NAI Director's Seminar Series. Available at https://astrobiology.nasa.gov/seminars/featured-seminar-channels/nai-directors-seminar-series/2012/5/21/human-and-robotic-astrobiological-research-in-the-mcmurdo-dry-valleys-antarctica/.