Philip R Christensen

Spectroscopic Identification of Carbonate Minerals in the Martian Dust

J. Bandfield, T. Glotch, Joshua L Bandfield, 2003, Science.

The many faces of Mars.

Philip R Christensen, P. Christensen, 2005, Scientific American.

Discovery of Olivine in the Nili Fossae Region of Mars

R. Clark, T. Hoefen, P. Christensen, 2003, Science.