African Archaeological Review · 1984 · 146 citations · 32 references
Obsidian SourcesEarth ScienceEngineeringSource UtilizationNorthern TanzaniaGeographyArchaeologyGeologyEconomic GeologyGeochemistryPetrology
32
Ann Beck · ASA Review of Books · 1980 · 171 citations
Trade and Culture Process in European Prehistory
Colin Renfrew · Current Anthropology · 1969 · 156 citations
Historical Geography, Widespread Diffusion, Obsidian Trade +13
The Stone Age Cultures of Kenya Colony
Nature · 1931 · 151 citations