TY - RPRT TI - Surface erosion caused on Mars from Viking descent engine plume AU - R.E. Hutton AU - H. J. Moore AU - R.F. Scott AU - R.W. Shorthill AU - C.R. Spitzer PY - 1980 DO - 10.1007/bf00902045 UR - https://pubs.usgs.gov/publication/70012228 ID - 70012228 ER -