@misc{1196831,
  author = {W Robert Kelly and Bruce S MacDonald and Stefan D Leigh},
  title = {A method for the preparation of NIST traceable fossil fuel standards with concentrations intermediate to SRM values:},
  year = {2007},
  month = {2007-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NIST.SP.260-167},
  language = {en},
}