@misc{1197701, author = {Hui-Min Huang}, title = {Autonomy Levels For Unmanned Systems (ALFUS) framework, volume I ::terminology version 2.1}, year = {2008}, month = {2008-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NIST.SP.1011-I-2.0}, language = {en}, }