Hilbert, Klaus. “Ethnic Interpretation in Archeology of Hunter-Gatherers of the Plata Region”. Estudos Ibero-Americanos 27, no. 2 (December 31, 2001): 103–119. Accessed May 19, 2024. https://revistaseletronicas.pucrs.br/index.php/iberoamericana/article/view/24436.