TY - RPRT TI - Surface erosion caused on Mars from Viking descent engine plume AU - Hutton, R. E. AU - Moore, H. J. AU - Scott, R. F. AU - Shorthill, R. W. AU - Spitzer, C. R. PY - 1980 UR - https://ntrs.nasa.gov/citations/19810028474 ID - 19810028474 ER -