@article{PARK:2014Pe,
  author = "PARK, Wan-il",
  title = "{A portal extension of the standard model with an unbroken local dark U(1)}",
  doi = "10.22323/1.180.0043",
  journal = "PoS",
  year = 2014,
  volume = "EPS-HEP 2013",
  pages = "043"
}