Wang, Y., S. C. Liu, P. Wine, D. D. Davis, S. T. Sandholm, E. Atlas, M. Avery, D. R. Blake, N. J. Blake, W. H. Brune, B. Heikes, G. Sachse, R. E. Shetter, H. Singh, R. Talbot, and D. Tan (2001), Factors controlling tropospheric O3, OH, NOx, and SO2 over the tropical Pacific during PEM-Tropics B, J. Geophys. Res., 106, 32733-32747.