1. The structure of decision making in Paso;Barlett;American Ethnologist,1977
2. Cost-benefit analysis: a test of alternative methodologies;Barlett,1980
3. General principles of classification and nomenclature in folk biology;Berlin;American Anthropologist,1973
4. The conditions of agricultural growth;Boserup,1965
5. The trouble with significance tests and what we can do about it;Cowgill;American Antiquity,1977