@misc{1154386,
  author = {P Kartaschoff and Helmut Hellwig},
  title = {Frequency shifts due to ramsey type interrogation in atomic beam tubes:},
  year = {1972},
  month = {1972-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.TN.612},
  language = {en},
}