@misc{1186676,
  author = {P S Lederer and J S Hilten},
  title = {NBS interagency transducer project ::Progress report no. 3},
  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.IR.76-1038},
  language = {en},
}