@article{Kim:2019vd,
  author = "Kim, Jihn E.  and  Kim, Se-Jin",
  title = "{"Invisible" axion rolling through QCD phase transition}",
  doi = "10.22323/1.347.0052",
  journal = "PoS",
  year = 2019,
  volume = "CORFU2018",
  pages = "052"
}