@misc{indiciae5db5014acad1,
  title = {THE HYPERVIRIAL THEOREM FOR COLLISIONS BETWEEN ELECTRONS AND ATOMS},
  author = {Hirschfelder, J. O. and Mc Elroy, M. B.},
  year = {1963},
  url = {https://ntrs.nasa.gov/citations/19630004190},
  note = {Source identifier: 19630004190}
}