@misc{indiciae248c0efb7025,
  title = {Colliding superposed waves in the Einstein-Maxwell theory.},
  author = {M Halilsoy},
  year = {1989},
  doi = {10.1103/physrevd.39.2172},
  url = {https://pubmed.ncbi.nlm.nih.gov/9959895/},
  note = {Source identifier: 9959895}
}