TY - RPRT TI - Robotic Arm Manipulator Using Active Control for Sample Acquisition and Transfer, and Passive Mode for Surface Compliance AU - Liu, Jun AU - Underhill, Michael L. AU - Trease, Brian P. AU - Lindemann, Randel A. PY - 2010 UR - https://ntrs.nasa.gov/citations/20100028901 ID - 20100028901 ER -