TY - RPRT TI - Mobility of large rock avalanches: evidence from Valles Marineris, Mars AU - A. S. McEwen PY - 1989 DO - 10.1130/0091-7613(1989)017<1111:molrae>2.3.co;2 UR - https://pubs.usgs.gov/publication/70015406 ID - 70015406 ER -