@article{articlee4005233,
title   = {Vehicular particulate matter emissions in road tunnels in São Paulo, Brazil},
author = {Sánchez Ccoyllo, Odón R and Freitas, Edmílson Dias de and Fornaro, Adalgiza and Ynoue, Rita Yuri and Martins, Leila Droprinchinski and Astolfo, Rosana and Miranda, Regina M and Borges, Alessandro S and Freitas, Helber and Moreira, Andréa and Andrade, Maria F},
year = {2008},
doi = {10.1007/s10661-008-0198-5},
journal   = {Environmental Monitoring and Assessment}
}