Chemical composition pf PM2.5 collected in São Paulo city, Brazil (2014) - Vasconcellos, Pérola de Castro; Pereira, Guilherme Martins; Caumo, Sofia Ellen da Silva; Hillamo, Risto; Saarnio, Karri; Teinilä, Kimmo; Maenhaut, Willy; Claeys, Magda (International Chemical Congress of Pacific Basin Societies, 2015)