Nagy, A. F., and P. M. Banks, Photoelectron fluxes in the ionosphere, J. Geophys. Res., 75, 6260, 1970. Solomon, S. C., P. B. Hays, and V. J. Abreu, The auroral 6300A emission: Observations and modeling, J. Geophys. Res., 93, 9867, 1988. Solomon, S. C., and V. J. Abreu, The 630 nm dayglow, J. Geophys. Res., 94, 6817, 1989. Solomon, S. C., Auroral particle transport using Monte Carlo and hybrid methods, J. Geophys. Res., 106, 107, 2001. Solomon, S. C., S. M. Bailey, and T. N. Woods, Effect of solar soft X-rays on the lower atmosphere, Geophys. Res. Lett., 28, 2149, 2001. Bailey, S. M., C. A. Barth, and S. C. Solomon, A model of nitric oxide in the lower thermosphere, J. Geophys. Res., 107, 1205, 2002. Solomon, S. C., Global modeling of thermospheric airglow in the far-ultraviolet, J. Geophys. Res., 122, 7834, doi:1002/2017JA024314, 2017.