Gustavsson, B., Brändström, B. U. E., Steen, Å., Sergienko, T., Leyser, T. B., Rietveld, M. T., et al. (2002). Nearly simultaneous images of HF-pump enhanced airglow at 6300 Å and 5577 Å. Geophysical Research Letters, 29(24): 2220. doi:10.1029/2002GL015350.