@article{articleec72077e,
title   = {Low molecular weight carboxylic acids in an urban atmosphere: Winter measurements in São Paulo City, Brazil},
author = {Souza, Silvia R. and Vasconcellos, Pérola de Castro and Carvalho, Lilian Rothschild Franco de},
year = {1999},
doi = {10.1016/s1352-2310(98)00383-5},
journal   = {Atmospheric Environment}
}