@misc{1173316,
  author = {Jon T Hougen},
  title = {The Calculation of rotational energy levels and rotational line intensities in diatomic molecules:},
  year = {1970},
  month = {1970-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.MONO.115},
  language = {en},
}