@misc{indiciaeea65b871fe07,
  title = {Two balls in one dimension with gravity.},
  author = {ND Whelan and DA Goodings and JK Cannizzo},
  year = {1990},
  doi = {10.1103/physreva.42.742},
  url = {https://pubmed.ncbi.nlm.nih.gov/9904083/},
  note = {Source identifier: 9904083}
}