@article{Ehmann:20101+,
  author = "Ehmann, Christian  and  Bali, Gunnar",
  title = "{Mixing of charmonia with $D\bar{D}/c\bar{u}u\bar{c}$ states}",
  doi = "10.22323/1.091.0113",
  journal = "PoS",
  year = 2010,
  volume = "LAT2009",
  pages = "113"
}