@misc{indiciaea5c7bb63fd19,
  title = {Inelastic gravitational billiards.},
  author = {S Feldt and J S Olafsen},
  year = {2005},
  doi = {10.1103/physrevlett.94.224102},
  url = {https://pubmed.ncbi.nlm.nih.gov/16090400/},
  note = {Source identifier: 16090400}
}