Marshall, P., Verma, A., More, A., Davis, C., More, S., Kapadia, A., . . . Collett, T. (2015). Space Warps: I. Crowd-sourcing the discovery of gravitational lenses. Oxford University Press.

Marshall, P., et al. Space Warps: I. Crowd-sourcing the Discovery of Gravitational Lenses. Oxford University Press, 2015.

Marshall, P., et al. Space Warps: I. Crowd-sourcing the Discovery of Gravitational Lenses. Oxford University Press, 2015.