%0 Book %B Contributions to the University of California Archaeology Research Facility %D 1978 %T Obsidian distribution and provenience in the central highlands and coast of Peru during the Preceramic Period %A Richard L. Burger %A Asaro, Frank %C Berkeley, pp. 61-83. %I University of California %P 61-83 %V 36 %Z Andes Geog