@misc{1200856, author = {Yee-Yin Choong and Mary Theofanos and Brian Stanton and Patrick Hofmann}, title = {Symbols representing biometrics in use:}, year = {2009}, month = {2009-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NIST.IR.7645}, language = {en}, }