@misc{1185171,
  author = {Judith F Gilsinn.},
  title = {Problems in world-wide standardization of the units of altitude measurement:},
  year = {1978},
  month = {1978-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.IR.77-1386},
  language = {en},
}