]
(1972). Mechanical Basis of Percussion Flaking.
American Antiquity. 37, 34-60.
(1971). Mercados y ferias prehispánicos en el area andina.
Boletín de la Academia Nacional de Historia. 54, 214-235.
(1987). Merchant capital and the formation of the Inca state.
Dialectical Anthropology. 12, 217-227.
(1976). Metallurgical site survey in the Peruvian Andes.
Journal of Field Archaeology. 3, 1-42. Abstract
(1982). Methods of Cluster Validation for Archaeology.
World Archaeology. 14, 61-72.
(1999). Mexican obsidian at Tikal, Guatemala.
Latin American Antiquity. 10, 300-13.
(1997). Middens, construction fill, and offerings: evidence for the organization of Classic Period craft production at Tikal, Guatemala.
Journal of Field Archaeology. 24, 293-313.
(1991). Missing the Revolution: Anthropologists and the War in Peru.
Cultural Anthropology. 6, 63-91.
(1992). Mobility Sedentism: Concepts, Archaeological Measures, and Effects.
Annual Review of Anthropology. 21, 43-66.
(2003). Moving Up in the World: Archaeologists seek to understand how and when people came to occupy the Andean and Tibetan plateaus.
American Scientist. 91, 542-550.
(1973). Native pastoralism in the South Andes.
Ethnology. 12, 115-33.
(1981). New Light on Andean Tiwanaku.
American Scientist. 69, 408-419.
(1975). Obsidian at Tikal, Guatemala.
Actas XLI, Congreso Internacional de Americanistas 1. 511-518.
(1976). Obsidian in the western Mediterranean: characterisation by neutron activation analysis and optical emission spectroscopy.
Proceedings of the prehistoric society. 42, 85-110.
(1900). The Obsidian Mines of Hidalgo, Mexico.
American anthropologist. 2, 405-416.
(1981). Obsidian production and the State of Teotihuacan.
American antiquity. 46, 769-788.
(1971). Obsidian Trade at San Lorenzo Tenochtitlan, Mexico.
Science. 174, 66-671.
(1970). On Trade and Culture Process in Prehistory.
Current Anthropology. 11, 172-173.
(1979). Organization and Formation Processes: Looking at curated technologies.
Journal of Anthropological Research. 35, 255-273.
(1971). The Origin and Development of Lowland Classic Maya Civilization.
American Antiquity. 36, 275-285.
(2005). Palaeoindian occupation of the Atacama Desert, northern Chile.
Journal of Quaternary Science. 20, 643-653. Abstract
(1974). Pastoral nomadism in the Andes.
Current Anthropology. 15, 188-196.
(1909). Peruvian Throwing-Sticks.
American Anthropologist. 11, 624-627.
(1984). Petrography and major element chemistry of the volcanic rocks of the Andes, southern Peru.
Geochemical Journal. 18, 217-232.