Wilson, R., Shepard, E. L. C., Wilson, R. P., Quintana, F., Laich, A. G., Forman, D. W., . . . Shepard, E. (2009). Pushed for time or saving on fuel: Fine-scale energy budgets shed light on currencies in a diving bird. Proceedings of the Royal Society B: Biological Sciences, 276(1670), p. 3149. doi:10.1098/rspb.2009.0683

Wilson, Rory, E. L. C. Shepard, R. P. Wilson, F. Quintana, A. Gomez Laich, D. W. Forman, Daniel Forman, and Emily Shepard. "Pushed for Time or Saving On Fuel: Fine-scale Energy Budgets Shed Light On Currencies in a Diving Bird." Proceedings of the Royal Society B: Biological Sciences 276, no. 1670 (2009): 3149.

Wilson, Rory, et al. "Pushed for Time or Saving On Fuel: Fine-scale Energy Budgets Shed Light On Currencies in a Diving Bird." Proceedings of the Royal Society B: Biological Sciences 276.1670 (2009): 3149.