]
(1976). Reflexiones sobre la reciprocidad andina.
Revista del Museo Nacional. 42, 341-354.
(1974). Regression analysis of some trade and marketing patterns.
World Archaeology. 6, 172-189.
(1975). Relación entre pastores y agricultores.
Allpanchis, revista anual. 8, 67-101.
(1970). A Relational Model of Data for Large Shared Data Banks.
Communications of the ACM. 13, 377-387.
(1998). Reply to Hirth's "The distributional approach: a new way to identify marketplace exchange in the archaeological record".
Current Anthropology. 39, 463-464.
(1996). Rethinking the Vertical Archipelago: Ethnicity, Exchange, and History in the South Central Andes.
American Anthropologist. 96, 338-351.
(1980). Review: prehistoric hunters of the high Andes.
American scientist. Nov-Dec, 705.
(1981). Review: prehistoric hunters of the high Andes.
Human ecology. 9, 257-260.
(1993). Ritual, Hierarchy, and Change in Foraging Societies.
Journal of Anthropological Archaeology. 12, 1-40.
(2004). Role of magma mixing in the petrogenesis of tephra erupted during the 1990-98 explosive activity of Nevado Sabancaya, southern Peru.
Bulletin of Volcanology. 66, 541-561.
(1999). The Role of Ordinary Goods in Premodern Exchange.
Journal of Archaeological Method and Theory. 6, 109-135.
(1973). Secuencia y cambios en los artefactos liticos del sur del Perú.
Revista del Museo Nacional (Lima). 38, 133-184.
(1988). The Significance of Chiripa in Lake Titicaca Basin Developments.
Expedition. 30, 17-26.
(1980). The significance of latitudinality in Himalayan mountain ecosystems.
Human ecology. 8, 117-34.
(1983). The Siteless Survey: a regional scale data collection strategy.
Advances in Archaeological Method and Theory. 6, 267-287.
(1973). The Sling as a Weapon.
Scientific American. 229, 34-42. Abstract
(2004). Slippery and Billy: Intention, Selection and Equifinality in Lithic Artefacts.
Cambridge Archaeological Journal. 14, 71-77.
(1994). Snowline Altitude and Climate in the Peruvian Andes (5-17?S) at Present and during the Latest Pleistocene Glacial Maximum.
Journal of Geography. 103, 867-885. Abstract
(1992). Social factors and selective technology adoption: the case of integrated pest management.
Human Organization. 51, 367-378.
(1997). Source of volcanic glass for ancient Andean tools.
Nature. 376, 449-450.
(1976). Spatial distribution of flint and obsidian artifacts at Tikal, Guatemala.
Center for Archaeological Research. University of Texas at San Antonio special report. 91-108.
(1980). Specialization, Market Exchange, and the Aztec State: A View From Huexotla.
Current Anthropology. 21, 459-478.
(1967). Stages and periods in archaeological intrepretation.
Peruvian archaeology; selected readings. 1-15.
(1995). The State of Nuclear Archaeology in North America.
Journal of Radioanalytical and Nuclear Chemistry. 196, 275-286.
(1997). Stones and Shafts Redux: the metric descrimination of chipped-stone dart and arrow points.
American Antiquity. 62, 86-101.