机构:
Univ Witwatersrand, Div Archaeol, Sch Geog Archaeol & Environm Studies, Private Bag 3, ZA-2050 Johannesburg, South Africa
Univ Witwatersrand, Rock Art Res Inst, Sch Geog Archaeol & Environm Studies, Private Bag 3, ZA-2050 Johannesburg, South AfricaUniv Witwatersrand, Div Archaeol, Sch Geog Archaeol & Environm Studies, Private Bag 3, ZA-2050 Johannesburg, South Africa