@article { 4842,
	title = {The clustering of galaxies in the SDSS-III Baryon Oscillation Spectroscopic Survey: Measuring D_A and H at z=0.57 from the Baryon Acoustic Peak in the Data Release 9 Spectroscopic Galaxy Sample},
	year = {2013},
	publisher = {MNRAS},
	author = {Anderson et al. (includes Chuang, C.-H, Prada, F.)}
}