TY - RPRT TI - A Basic Robotic Excavator (the Glenn Digger): Description, Design, and Initial Operation AU - Bauman, Steve AU - Newman, Paul AU - Izadnegahdar, Alain AU - Johnson, Kyle AU - Abel, Phillip PY - 2016 UR - https://ntrs.nasa.gov/citations/20160004045 ID - 20160004045 ER -