... galaxies

Appendices A and B are only available in electronic form at http://www.aanda.org

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... observed

G07 recorded FUSE spectra only in the 905-1100 and 987-1180 Å bands.

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... writing

We note that Martín (1999) has computed the cross sections for impact excitation of hydrogen atoms by protons to the sub-levels 4s, 4p, 4d, and 4f, but only for energies of 30 to 200 keV.

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