TY - RPRT TI - Elemental Composition Variations for Large Dusty and Rocky Regions on Mars Using Gamma-Ray Data from the Mars Odyssey Gamma-Ray Spectrometer AU - Evans, L. G. AU - Starr, R. D. AU - Reedy, R. C. AU - Boynton, W. V. PY - 2004 UR - https://ntrs.nasa.gov/citations/20040062286 ID - 20040062286 ER -