Younger Dryas
tropical Andes
stratification complexity
Sociology/Anthropology
Social systems Economic aspects.
Remote sensing.
Regional economics.
quantitative trade exchange market obsidian
Prehistoric
Peru Rural conditions.
Markets (Economics) Research
lectures
late glacial
ilave huenque raw material lithics andes
Exchange History
essays
Economics
Economic anthropology.
Developing countries Commerce.
database normalization primary key relationship
Commerce
Central places.
Archaeology Research
Archaeology Methodology Addresses