Peyerl, William Rudolf Lopes, e Eduardo Salamuni. “Asymmetry Factor Application Based on the Sectorization of Watersheds: Morphostructural Analysis of the Chopim River Catchment, Paraná State (Brazil)”. Revista Brasileira de Geomorfologia 25, no. 3 (setembro 19, 2024). Acessado junho 7, 2025. https://www.rbgeomorfologia.org.br/rbg/article/view/2485.