Lee-Thorp and Ecker (2015)

Ecker, M., Lee-Thorp, J., n.d. Holocene Environmental Change at Wonderwerk Cave, South Africa: Insights from Stable Light Isotopes in Ostrich Eggshell. African Archaeological Review 32(4), 793-811. https://doi.org/10.1007/S10437-015-9202-Y