@misc{1156191,
  author = {George Thomson Armstrong},
  title = {Calculation of the heating value of a sample of high purity methane for use as a reference material.:},
  year = {1965},
  month = {1965-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.TN.299},
  language = {en},
}