TY - RPRT TI - Cooperative Three-Robot System for Traversing Steep Slopes AU - Stroupe, Ashley AU - Huntsberger, Terrance AU - Aghazarian, Hrand AU - Younse, Paulo AU - Garrett, Michael PY - 2009 UR - https://ntrs.nasa.gov/citations/20090035877 ID - 20090035877 ER -