Oliveira Barbosa, R. A. “Simple and Complex Constructions on Lexical Reduplication in a Group of Pano Languages: A Briefly Characterization of Its Derivational Iconicity”. Estudos Linguísticos (São Paulo. 1978), vol. 43, no. 01, Apr. 2015, pp. 272-85, https://revistadogel.emnuvens.com.br/estudos-linguisticos/article/view/437.