Reiner, T., Sprung, D., Jost, C., Gabriel, R., Mayol-Bracero, O. L., Andreae, M. O., Campos, T. L., & Shetter, R. E. (2001). Chemical characterization of pollution layers over the tropical Indian Ocean: Signatures of emissions from biomass and fossil fuel burning. Journal of Geophysical Research, 106, 28,497-28,510.