Geology of the Gusev cratered plains from the Spirit rover transversev. 111American Geophysical UnionEO2S07–EO2S31
Golombek, M. P., Crumpler, Larry S., Grant, John A., Greely, R., Cabrol, Nathalie A., Parker, T. J., Rice Jr, J. W., Ward, J. G., Arvidson, Raymond E., and Moersch, J. E. 2006. "Geology of the Gusev cratered plains from the Spirit rover transverse." Journal of Geophysical Research. E. Planets, 111 EO2S07–EO2S31.