Goldstein, J., D. J. McComas, P. Valek, J. Redfern, F. Søraas, and D. Bazell (2013), Local‐time‐dependent low‐altitude ion spectra deduced from TWINS ENA images, J. Geophys. Res., 118 (D6), 2928, doi.org/10.1002/jgra.50222 (pdf)
Goldstein, J., D. J. McComas, P. Valek, J. Redfern, F. Søraas, and D. Bazell (2013), Local‐time‐dependent low‐altitude ion spectra deduced from TWINS ENA images, J. Geophys. Res., 118 (D6), 2928, doi.org/10.1002/jgra.50222 (pdf)