Green, J., Schweitzer, M., & Lamm, E.-T. (2010). Limb bone histology and growth in Placerias hesternus (Therapsida: Anomodontia) from the Upper Triassic of North America (1–). Wiley. https://doi.org/10.1111/J.1475-4983.2010.00944.X
Green, Jeremy, Mary Schweitzer, and Ellen-Therese Lamm. 2010. “Limb Bone Histology and Growth in Placerias Hesternus (Therapsida: Anomodontia) from the Upper Triassic of North America”. Wiley. https://doi.org/10.1111/J.1475-4983.2010.00944.X.
Green, Jeremy, et al. Limb Bone Histology and Growth in Placerias Hesternus (Therapsida: Anomodontia) from the Upper Triassic of North America. Wiley, 1 Mar. 2010, https://doi.org/10.1111/J.1475-4983.2010.00944.X.