Craig E. Leff

Two Mars years of surface changes seen at the Viking landing sites

Raymond E. Arvidson, Edward A. Guinness, R. Arvidson, 1982 .

Overview of the Spirit Mars Exploration Rover Mission to Gusev Crater: Landing site to Backstay Rock in the Columbia Hills

William H. Farrand, Nathalie A. Cabrol, Paul S. Smith, 2006 .

Surface processes recorded by rocks and soils on Meridiani Planum, Mars: Microscopic Imager observations during Opportunity's first three extended missions

Trent M. Hare, Randolph L. Kirk, Brent A. Archinal, 2008 .