@misc{1205121, author = {Maureen A Breitenberg}, title = {The U. S. certification system from a governmental perspective:}, year = {1997}, month = {1997-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NIST.IR.6077}, language = {en}, }