@inproceedings{Choi:20178N,
  author = "Choi, Kiwoon",
  title = "{QCD axion and dark matter}",
  doi = "10.22323/1.294.0021",
  booktitle = "Proceedings of The 3rd International Symposium on “Quest for the Origin of Particles and the Universe" {\textemdash} PoS(KMI2017)",
  year = 2017,
  volume = "294",
  pages = "021"
}