@misc{indiciae3c2458cd7217,
  title = {Delta-function model for short-range interatomic forces - Correlation scheme for closed-shell atoms and ions},
  author = {Sondergaard, N. A. and Mason, E. A.},
  year = {1975},
  url = {https://ntrs.nasa.gov/citations/19750038505},
  note = {Source identifier: 19750038505}
}