@inproceedings{Evans:2009vR, author = "Evans, Richard", title = "{A determination of the $B_s^0$ and $B_d^0$ mixing matrix elements using 2+1 lattice QCD }", doi = "10.22323/1.066.0052", booktitle = "Proceedings of The XXVI International Symposium on Lattice Field Theory {\textemdash} PoS(LATTICE 2008)", year = 2009, volume = "066", pages = "052" }