@misc{41511, author = {Hui-Min Huang}, title = {Autonomy Levels for Unmanned Systems (ALFUS) Framework Volume I: Terminology Version 2.0}, year = {2004}, month = {2004-09-30}, publisher = {Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NIST.sp.1011-I-2.0}, language = {en}, }