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- [9] THE DETERMINATION OF ELECTRON-DENSITIES IN THE SOLAR ATMOSPHERE FROM THE 1718.56-ANGSTROM 1486.51-ANGSTROM EMISSION-LINE RATION IN N-IV ASTROPHYSICAL JOURNAL, 1994, 432 (02): : 806 - 808
- [10] The electron pressure in the solar lower transition region determined from O v and Si III density-sensitive line ratios ASTROPHYSICAL JOURNAL, 1998, 507 (02): : 991 - 996