Reiner, T., Sprung, D., Jost, C., Gabriel, R., Mayol-Bracero, O. L., Andreae, M. O., … 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-Atmospheres, 106, 28497-28510. doi:10.1029/2000JD900695