@misc{1152961,
  author = {S S Penner},
  title = {Geometrical calibration of the NBS electron scattering apparatus:},
  year = {1975},
  month = {1975-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.TN.871},
  language = {en},
}