Nidever, D. L., Zasowski, G., Majewski, S. R., Bird, J., Robin, A. C., Martinez-Valpuesta, I., et al. (2012). The Apache Point Observatory Galactic Evolution Experiment: first detection of high-velocity Milky Way bar stars. The Astrophysical Journal Letters, 755(2): L25, pp. 1-7. doi:10.1088/2041-8205/755/2/L25.