@misc{indiciaee45eb40524d4,
  title = {Contemplating the ultimate accelerator.},
  author = {F Winterberg},
  year = {1987},
  doi = {10.1103/physrevd.35.3500},
  url = {https://pubmed.ncbi.nlm.nih.gov/9957606/},
  note = {Source identifier: 9957606}
}