The Milky Way Project First Data Release: a bubblier Galactic discDOI: info:10.1111/j.1365-2966.2012.20770.xv. 4242442–2460
Simpson, R. J., Povich, M. S., Kendrew, S., Lintott, C. J., Bressert, E., Arvidsson, K., Cyganowski, C., Maddison, S., Schawinski, K., Sherman, Reid, Smith, A. M., and Wolf-Chase, G. 2012. "The Milky Way Project First Data Release: a bubblier Galactic disc." Monthly Notices of the Royal Astronomical Society, 424 2442–2460. https://doi.org/10.1111/j.1365-2966.2012.20770.x.