@article{DeTar:2010+q,
  author = "DeTar, Carleton",
  title = "{Heavy quarkonium mass splittings with Fermilab heavy quarks and 2+1 flavors of improved staggered sea quarks}",
  doi = "10.22323/1.091.0115",
  journal = "PoS",
  year = 2010,
  volume = "LAT2009",
  pages = "115"
}