@article{articledac38d43,
title   = {Use of levoglucosan, potassium, and water-soluble organic carbon to characterize the origins of biomass-burning aerosols},
author = {Urban, Roberta Cerasi and Lima-Souza, Michele and Caetano-Silva, Letícia and Queiroz, Maria Eugênia C. and Nogueira, Raquel F. P. and Allen, Andrew G. and Cardoso, Arnaldo A. and Held, Gerhard and Campos, Maria Lúcia Arruda de Moura},
year = {2012},
doi = {10.1016/j.atmosenv.2012.07.082},
journal   = {Atmospheric Environment}
}