Wurz S, Lombard M. 70 000-year old geometric backed tools from the Howiesons Poort at Klasies River, South Africa: were they used for hunting?. SA Humanities [Internet]. 2007 Dec. 31 [cited 2024 Apr. 26];19:1-16. Available from: https://sahumanities.org/index.php/sah/article/view/247