%0 Journal Article %J Latin American Antiquity %D 1991 %T High-precision trace-element characterization of major Mesoamerican obsidian sources and further analyses of artifacts from San Lorenzo Tenochtitlan, Mexico %A Cobean, Robert H. %A Michael D. Glascock %A Stocker, Terrance L. %A Vogt, James R. %I Washington, D. C %K án Site (Mexico) %K Archaeology--Mexico %K Indians of Mexico--Antiquities %K Mexico--Antiquities %K Nuclear activation analysis--Mexico %K Obsidian--Mexico--Analysis %K San Lorenzo Tenochtitl %K Stone implements--Mexico--Analysis %P 69-91 %V 2 %Z Source of data: Anthropological Literature, Harvard UniversitySpanish summary1045-6635