@misc{fabretti2005recurrence,
  title={Recurrence analysis of the NASDAQ crash of April 2000},
  author={Annalisa Fabretti and Marcel Ausloos},
  year={2005},
  eprint={physics/0505170},
  archivePrefix={arXiv},
  primaryClass={physics.soc-ph},
  url={https://arxiv.org/abs/physics/0505170}
}