Deacon, J. (1995). “An Unsolved Mystery at the Howieson's Poort”. 《South African Archaeological Bulletin》 50 (162): 110–120. doi:10.2307/3889060. JSTOR3889060.
Jacobs, Z; Roberts, RG; Galbraith, RF; Deacon, HJ; Grün, R; Mackay, A; Mitchell, P; Vogelsang, R; Wadley, L.; 외. (2008). “Ages for the Middle Stone Age of southern Africa: implications for human behavior and dispersal”. 《Science》 322 (5902): 733–5. doi:10.1126/science.1162219. PMID18974351.
jstor.org
Deacon, J. (1995). “An Unsolved Mystery at the Howieson's Poort”. 《South African Archaeological Bulletin》 50 (162): 110–120. doi:10.2307/3889060. JSTOR3889060.
nih.gov
ncbi.nlm.nih.gov
Jacobs, Z; Roberts, RG; Galbraith, RF; Deacon, HJ; Grün, R; Mackay, A; Mitchell, P; Vogelsang, R; Wadley, L.; 외. (2008). “Ages for the Middle Stone Age of southern Africa: implications for human behavior and dispersal”. 《Science》 322 (5902): 733–5. doi:10.1126/science.1162219. PMID18974351.