{\rtf1\ansi\deff0\deftab360 {\fonttbl {\f0\fswiss\fcharset0 Arial} {\f1\froman\fcharset0 Times New Roman} {\f2\fswiss\fcharset0 Verdana} {\f3\froman\fcharset2 Symbol} } {\colortbl; \red0\green0\blue0; } {\info {\author Biblio}{\operator }{\title Biblio RTF Export}} \f1\fs24 \paperw11907\paperh16839 \pgncont\pgndec\pgnstarts1\pgnrestart Burger, R. L., Asaro F., Michael H. V., Stross F. H., & Salazar E. (1994).\'a0\'a0An initial consideration of obsidian procurement and exchange in prehispanic Ecuador. \ul Latin American Antiquity. 5,\ul0 228-255.\par \par }