TY - GEN AU - Huang, Hui-Min AU - Messina, Elena C2 - Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD DA - 2007-12-28 DO - https://doi.org/10.6028/NIST.sp.1011-II-1.0 LA - en PB - Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD PY - 2007 TI - Autonomy Levels for Unmanned Systems (ALFUS) FrameworkVolume II: Framework Models Initial Version ER -