Watson, R. R., Rubenson, J., Coder, L., Hoyt, D. F., Propert, M. W. G., & Marsh, R. L. (2011). Gait-specific energetics contributes to economical walking and running in emus and ostriches. The Royal Society.

Watson, Rebecca R., Jonas Rubenson, Lisa Coder, Donald F. Hoyt, Matthew W. G. Propert, und Richard L. Marsh. Gait-specific Energetics Contributes to Economical Walking and Running in Emus and Ostriches. The Royal Society, 2011.

Watson, Rebecca R., et al. Gait-specific Energetics Contributes to Economical Walking and Running in Emus and Ostriches. The Royal Society, 2011.