An analysis of diurnal cycles in the mass of ambient aerosols derived from biomass burning and agro-industry - Caetano-Silva, L.; Allen, A. G.; Lima-Souza, M.; Cardoso, A. A.; Campos, Maria Lúcia Arruda de Moura; Nogueira, R. F. P. (Journal of Geophysical Research: Atmospheres, 2013)