Helm, Charles W., Hayley C. Cawthra, Jan C. De Vynck, Rudolf Hattingh, and Martin G. Lockley. “Possible Pleistocene Hominin Tracks from South Africa’s West Coast”. South African Journal of Science 118, no. 1/2 (January 27, 2022). Accessed April 19, 2024. https://sajs.co.za/article/view/11842.