@article{Llanes-Estrada:20194d,
  author = "Llanes-Estrada, Felipe J.  and  Brodsky, Stanley J.",
  title = "{How to identify gluonium states using QCD counting rules }",
  doi = "10.22323/1.336.0262",
  journal = "PoS",
  year = 2019,
  volume = "Confinement2018",
  pages = "262"
}