Project 1111: D. T. Ksepka, S. Werning, M. Sclafani, Z. M. Boles. 2015. Bone histology in extant and fossil penguins (Aves: Sphenisciformes). Journal of Anatomy. 227 (5):611-630.
Ksepka, D. T., Werning, S., Sclafani, M. and Boles, Z. M. 2015. Bone histology in extant and fossil penguins (Aves: Sphenisciformes). Journal of Anatomy. Vol. 227(5), pp. 611-630.