@misc{156746,
  author = {Gordon Lyon and Hai Tang},
  title = {Assurance Hierarchies in B2C Electronic Commerce},
  year = {2001},
  month = {2001-02-01},
  publisher = {- 6713, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NIST.IR.6713},
  language = {en},
}