@inproceedings{Kim:2019vd,
  author = "Kim, Jihn E.  and  Kim, Se-Jin",
  title = "{"Invisible" axion rolling through QCD phase transition}",
  doi = "10.22323/1.347.0052",
  booktitle = "Proceedings of Corfu Summer Institute 2018 "School and Workshops on Elementary Particle Physics and Gravity" {\textemdash} PoS(CORFU2018)",
  year = 2019,
  volume = "347",
  pages = "052"
}