@article {211,
	title = {Optimization of Mn doping in group-IV-based dilute magnetic semiconductorsby electronic codopants},
	journal = {Phys. Rev. B},
	volume = {79},
	year = {2009},
	pages = {235202},
	author = {H. Chen and W.G. Zhu and E. Kaxiras and Z.Y. Zhang}
}
