@misc{1191986,
  author = {J H Dellinger and C B Jolliffe},
  title = {Circular of the Bureau of Standards no. 385::},
  year = {1930},
  month = {1930-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.CIRC.385},
  language = {en},
}