@misc{lloyd2013unitarity,
  title={Unitarity of black hole evaporation in final-state projection models},
  author={Seth Lloyd and John Preskill},
  year={2013},
  eprint={1308.4209},
  archivePrefix={arXiv},
  primaryClass={hep-th},
  doi={10.1007/JHEP08(2014)126},
  url={https://arxiv.org/abs/1308.4209}
}