Spektroskopische Probleme der Sternentwicklung

This publication has 21 references indexed in Scilit:

• Photoelectric Spectrophotometry of Gaseous Nebulae. I. The Orion Nebulae.
  The Astrophysical Journal, 1959
• The Ages of Type I and Type II Subgiants
  Monthly Notices of the Royal Astronomical Society, 1959
• Main-Sequence Stars
  Monthly Notices of the Royal Astronomical Society, 1959
• The Ratio of Helium and Hydrogen Abundances in Planetary Nebulae.
  The Astrophysical Journal, 1957
• The Ratio of Helium to Hydrogen in the Orion Nebula.
  The Astrophysical Journal, 1957
• Radioaktivität und Alter der Erde
  The Science of Nature, 1957
• The Chemical Compositions of Five Stars which Show Some of the Characteristics of Population II.
  The Astrophysical Journal, 1956
• The Interpretation of the Spectrum of NGC 7027.
  The Astrophysical Journal, 1956
• On the Evolution of Type II Stars.
  The Astrophysical Journal Supplement Series, 1955
• The Atmospheres of A-Type Subdwarfs and 95 Leonis.
  The Astrophysical Journal, 1951