N. M.  Frew, Bock, E. J., Schimpf, U., Hara, T., Haußecker, H., Edson, J. B., McGilles, W. R., Nelson, R. K., McKenna, S. P., Uz, B. M., and Jähne, B., ?Air-sea gas transfer: Its dependence on wind stress, small-scale roughness, and surface films?, J. Geophys. Res., vol. 109, p. C08S17, 2004.