Li, R., Archinal, B. A., Arvidson, Raymond E., Bell, J., Christensen, Philip R., Crumpler, L., Des Marais, D. J., Di, K., Duxbury, T., Golombek, M. P., Grant, John A., Greeley, Ronald, Guinn, J., Johnson, A., Kirk, R. L., Maimone, M., Matthies, L. H., Malin, M., Parker, T., Sims, M., Thompson, S., Squyres, Steven W., and Soderblom, L. A. 2006. "Spirit rover localization and topographic mapping at the landing site of Gusev crater, Mars." Journal of Geophysical Research. E. Planets. 111:1–13.