@misc{indiciae94138cf02a1f,
  title = {Evolving wormholes and the weak energy condition.},
  author = {S Kar},
  year = {1994},
  doi = {10.1103/physrevd.49.862},
  url = {https://pubmed.ncbi.nlm.nih.gov/10017042/},
  note = {Source identifier: 10017042}
}