@article{articlec63aeb98,
title   = {Long-term monitoring of atmospheric aerosols in the Amazon basin: source identification apportionment},
author = {Echalar, F and Artaxo Netto, Paulo Eduardo and Martins, J V and Yamasoe, M and Gerab, F and Maenhaut, W and Holben, B},
year = {1998},
doi = {10.1029/98jd01749},
journal   = {Journal of Geophysical Research-Atmospheres}
}