@article{adaptivecomplementaryensembleemdand,
  title = {Adaptive Complementary Ensemble EMD and Energy-Frequency Spectra of Cryptocurrency Prices},
  author = {Tim Leung and Theodore Zhao},
  year = {2021},
  eprint = {2105.08133},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2105.08133v1},
}