@article{article243920e7,
title   = {Sphericity and morphology of smoke particles from biomass burning in Brazil},
author = {Martins, J V and Hobbs, Peter Victor and Weiss, R E and Artaxo Netto, Paulo Eduardo},
year = {1998},
doi = {10.1029/98jd01153},
journal   = {Journal of Geophysical Research}
}