Upper Pleistocene to Holocene peatland evolution in Southern Brazilian highlands as depicted by radar stratigraphy, sedimentology and palynology - Oliveira, Marcelo Accioly Teixeira de; Porsani, Jorge Luís; Lima, Gisele Leite de; Jeske-Pieruschka, Vivian; Behling, Hermann (Quaternary Research, 2012)