TY - RPRT TI - Maintenance-optimized Modular Robotic Concepts for Planetary Surface ISRU Excavators AU - Schuler, Jason AU - Mueller, Rob AU - Nayar, Hari AU - Wilcox, Brian AU - Howe, A. Scott PY - 2020 UR - https://ntrs.nasa.gov/citations/20210012148 ID - 20210012148 ER -