The relationship between aerosol particles chemical composition and optical properties to identify the biomass burning contribution to fine particles concentration: a case study for São Paulo city, Brazil - Miranda, Regina Maura de; Lopes, Fábio Juliano da Silva; Rosário, Nilton Manuel Évora do; Yamasoe, Marcia Akemi; Landulfo, Eduardo; Andrade, Maria de Fátima (Environmental Monitoring and Assessment, 2017)