@article{10153,
  author = {J. Baur and John Cooper},
  title = {A Measurement at Low  Temperature of the Stark Broadened 3968 Angstrom Line of Ionized Calcium},
  year = {1975},
  journal = {Physics Letters  A},
  volume = {54},
  pages = {457\textendash459},
  doi = {10.1016/0375-9601(75)90810-5},
  note = {JILA Pub. 1338},
}