Evidence for magmatic evolution and diversity on Mars from infrared observations - McSween, H. Y.; Bandfield, J. L.; Ruff, S. W.; Rogers, A. D.; Hamilton, V. E.; Gorelick, N.; Wyatt, M. B.; Jakosky, B. M.; Kieffer, H. H.; Malin, M. C.; Moersch, J. E.; Christensen, P. R. (Nature Publishing Group, 2005)
http://dx.doi.org/10.1038/nature03639
Keywords: W; V; WW-YZ; TA-TD; U