@article{Ehmann:2009z2,
  author = "Ehmann, Christian  and  Bali, Gunnar",
  title = "{Investigation of the $\eta'$-$\eta_c$-mixing with improved stochastic estimators }",
  doi = "10.22323/1.066.0114",
  journal = "PoS",
  year = 2009,
  volume = "LATTICE 2008",
  pages = "114"
}