@article{moneyflownetworkamongfirmsaccountsina,
  title = {Money flow network among firms' accounts in a regional bank of Japan},
  author = {Yoshi Fujiwara and Hiroyasu Inoue and Takayuki Yamaguchi and Hideaki Aoyama and Takuma Tanaka},
  year = {2020},
  eprint = {2007.14630},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2007.14630v2},
}