@inproceedings{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", booktitle = "Proceedings of The XXVII International Symposium on Lattice Field Theory {\textemdash} PoS(LAT2009)", year = 2010, volume = "091", pages = "115" }