@misc{1173091,
  author = {William F Meggers and Charlotte E Moore},
  title = {The First spectrum of hafnium (Hfı):},
  year = {1976},
  month = {1976-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.MONO.153},
  language = {en},
}