Abundances of Helium in Gaseous Nebulae

This publication has 12 references indexed in Scilit:

• Level Populations of Hydrogen in Gaseous Nebulae
  Monthly Notices of the Royal Astronomical Society, 1970
• Abundances in a Halo Planetary Nebula
  The Astrophysical Journal, 1969
• Determinations of Helium Abundance from Radiofrequency Recombination Lines.
  The Astrophysical Journal, 1969
• The Helium Triplet Spectrum in Expanding Nebulae. I. The Capture-Cascade Intensities
  The Astrophysical Journal, 1968
• Stimulated Emission of Radio-Frequency Lines of Hydrogen
  The Astrophysical Journal, 1966
• The Ionization Structure of Planetary Nebulae: IV. Optical Thicknesses of the Nebulae and Temperatures of the Central Stars
  Monthly Notices of the Royal Astronomical Society, 1966
• The Planetary Nebula in the Globular Cluster M15.
  The Astrophysical Journal, 1964
• The Ionization Structure of Planetary Nebulae: III. The Ionization of Helium
  Monthly Notices of the Royal Astronomical Society, 1964
• Recombination Spectra: I. Calculations for Hydrogenic Ions in the Limit of Low Densities
  Monthly Notices of the Royal Astronomical Society, 1964
• The Hydrogen Recombination Spectrum
  Monthly Notices of the Royal Astronomical Society, 1958