@article{articledc4a2b8c,
title   = {Air quality status and trends over the Metropolitan Area of São Paulo, Brazil as a result of emission control policies},
author = {Carvalho, Vanessa Silveira Barreto and Freitas, Edmílson Dias de and Martins, Leila Droprinchinski and Martins, Jorge Alberto and Mazzoli, Caroline Rosario and Andrade, Maria de Fátima},
year = {2015},
doi = {10.1016/j.envsci.2014.11.001},
journal   = {Environmental Science & Policy}
}