TY - RPRT TI - Planetary rover developments supporting Mars exploration, sample return and future human-robotic colonization AU - Schenker, P. S. AU - Huntsberger, T. L. AU - Pirjanian, P. AU - Baumgartner, E. T. PY - 2001 UR - https://ntrs.nasa.gov/citations/20060031643 ID - 20060031643 ER -