1. Allen, C.C., Jager, K.M., Morris, R.V., Lindstrom, D.J., Lindstrom, M.M., Lockwood, J.P., 1998. JSC Mars-1: A Martian Soil Simulant. Space 98, San Diego, CA
2. K–Ar dating of beginning of tertiary volcanism in Mojave Desert, California;Armstrong;Geol. Soc. Am. Bull.,1973
3. Chemical interpretation of Viking Lander 1 life detection experiment;Ballou;Nature,1978
4. Surface chemistry and mineralogy;Banin,1992
5. Beaty, D.W., Snook, K., Allen, C.C., Eppler, D., Farrell, W.M., Heldmann, J., Metzger, P., Peach, L., Wagner, S.A., Zeitlin, C. 2005. An analysis of the precursor measurements of Mars needed to reduce the risk of the first human missions to Mars. Posted by the Mars Exploration Program Analysis Group (MEPAG), Pasadena, at http://mepag.jpl.nasa.gov/reports/index.html, June 2005