@misc{indiciae20d603bedb7b,
  title = {Classical repulsive gravity and broken Lorentz symmetry.},
  author = {M Gasperini},
  year = {1986},
  doi = {10.1103/physrevd.34.2260},
  url = {https://pubmed.ncbi.nlm.nih.gov/9957412/},
  note = {Source identifier: 9957412}
}