@misc{indiciaea3965837d42f,
  title = {Extended polarization potential - Applications to atomic scattering.},
  author = {Callaway, J. and Duxler, W. M. and Labahn, R. W. and Pu, R. T.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19680045187},
  note = {Source identifier: 19680045187}
}