Holocene palaeoenvironmental evolution in the São Paulo State (Brazil), based on anthracology and soil ômega13C analysis - Schell-Ybert, R; Gouveia, Susy Eli Marques; Pessenda, Luiz Carlos Ruiz; Aravena, R; Coutinho, Leopoldo Magno; Boulet, Renné Georges Leon (The Holocene, 2003)