1. Adams JB and Gillespie AR (2006) Spectral Remote Sensing of Landscapes. Cambridge University Press, Cambridge
2. Christensen PR (1986) The spatial distribution of rocks on Mars. Icarus 68:217–238
3. Combe JP, Adams JB, McCord TB (2006) Mapping geological units on Mars by analyzing the spectral properties of the surface from the Mars-express high resolution stereo camera (HRSC). EOS, Transactions, American Geophysical Union, vol. Fall Meeting Supplement
4. Conel JE, Alley RE (1984) Lisbon Valley, Utah, Uranium Test Site Report. In: The Joint NASA/Geosat Test Case Project, Paley H (ed) AAPG, Tulsa, OK
5. Evans DL, Smith MO (1991) Separation of vegetation and rock signatures in thematic mapper and polarimetric SAR images. Remote Sens Environ 37:63–75