Singh, H.B., W. Viezee, Y. Chen, J. Bradshaw, S. Sandholm, D.R. Blake, N.J. Blake, B.G. Heikes, J. Snow, R. Talbot, E. Browell, G. Gregory, G.W. Sachse, and S. Vay (2000), Biomass burning influences on the composition of the remote south Pacific troposphere: Analysis based on observations from PEM-Tropics-A, Atmos. Environ., 34, 635-644.