@inproceedings{Natori:2020RN,
  author = "Natori, Hiroaki",
  title = "{Development of very slow negative muon beam}",
  doi = "10.22323/1.369.0090",
  booktitle = "Proceedings of The 21st international workshop on neutrinos from accelerators {\textemdash} PoS(NuFact2019)",
  year = 2020,
  volume = "369",
  pages = "090"
}