@article{naturalgraphwaveletpacketdictionaries,
  title = {Natural Graph Wavelet Packet Dictionaries},
  author = {Alexander Cloninger and Haotian Li and Naoki Saito},
  year = {2020},
  eprint = {2009.09020},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2009.09020v4},
}