@article{Cox:117581,
      author = {Cox, Nicholas J.},
      title = {{Stata tip 33: Sweet sixteen: Hexadecimal formats and  precision problems}},
      journal = {Stata Journal},
      volume = {Volume 06},
      number = {Number 2},
      pages = {282. - 2},
      year = {2006},
      doi = {dm0022},
}