Kramers, Jan D., and Paul H.G.M. Dirks. “The Age of Fossil StW573 (‘Little Foot’): An Alternative Interpretation of 26Al 10Be Burial Data”. South African Journal of Science 113, no. 3/4 (March 29, 2017): 8. Accessed December 3, 2024. https://sajs.co.za/article/view/3712.