@inproceedings{Zheng:2013jK,
  author = "Zheng, Hanqing",
  title = "{Studies on X(4260) and X(4660) particles}",
  doi = "10.22323/1.171.0149",
  booktitle = "Proceedings of Xth Quark Confinement and the Hadron Spectrum {\textemdash} PoS(Confinement X)",
  year = 2013,
  volume = "171",
  pages = "149"
}