@misc{indiciae4125d46c9b5d,
  title = {Must time-machine construction violate the weak energy condition?},
  author = {A Ori},
  year = {1993},
  doi = {10.1103/physrevlett.71.2517},
  url = {https://pubmed.ncbi.nlm.nih.gov/10054702/},
  note = {Source identifier: 10054702}
}