TY - JOUR AU - James Albus AU - Roger Bostelman AU - Tommy Chang AU - Tsai Hong AU - William Shackleford AU - Michael Shneier C2 - Submitted to the Journal of Field Robotics. DA - 2006-06-26 00:06:00 LA - en PB - Submitted to the Journal of Field Robotics. PY - 2006 TI - Learning in a Hierarchical Control System: 4D/RCS in the DARPA LAGR Program UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=822702 ER -