Dr Ron Clark of the palaeo-anthropological research institute of the University of the Witwatersrand discovers the petrified sk

South African History Online. (2011, December 5). Dr Ron Clark of the palaeo-anthropological research institute of the University of the Witwatersrand discovers the petrified sk. South African History Online. https://sahistory.org.za/ref/E-0070529

South African History Online (2011) 'Dr Ron Clark of the palaeo-anthropological research institute of the University of the Witwatersrand discovers the petrified sk', South African History Online, 5 December. Available at: https://sahistory.org.za/ref/E-0070529 (Accessed: 7 August 2026).

South African History Online, Dr Ron Clark of the palaeo-anthropological research institute of the University of the Witwatersrand discovers the petrified sk [website], https://sahistory.org.za/ref/E-0070529, (accessed 7 August 2026).

"Dr Ron Clark of the palaeo-anthropological research institute of the University of the Witwatersrand discovers the petrified sk." South African History Online, 5 Dec. 2011, https://sahistory.org.za/ref/E-0070529. Accessed 7 Aug. 2026.

South African History Online. "Dr Ron Clark of the palaeo-anthropological research institute of the University of the Witwatersrand discovers the petrified sk." South African History Online. December 5, 2011. https://sahistory.org.za/ref/E-0070529.