{\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 Parodi, A. (1987).\'a0\'a0The Geomorphology of the Colca River Canyon. (Roma\'f1a, Mauricio de, Blassi, Jaime, Blassi, Jorge, Ed.).\ul Descubriendo el Valle del Colca - Discovering the Colca Valley. \ul0 31-53.\par \par }