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Mabel Katherine Frehafer

1886

  • Reflection and transmission of ultra-violet light by sodium and potassium ..Reflection and transmission of ultra-violet light by sodium and potassium ..
  • Tables and graphs for facilitating the computation of spectral energy distribution by Planck's formula consisting of seven sheets (five charts)Tables and graphs for facilitating the computation of spectral energy distribution by Planck's formula consisting of seven sheets (five charts)