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A new determination of the primordial helium abundance
Testing the Creation of the Universe：The Primordial Helium Abundance
Universe Primordial Helium
2009/6/9
Testing the Creation of the Universe：The Primordial Helium Abundance。
Photoionization Models of Metal-poor Extragalactic H o Regions And the Primordial Helium Abundance
Photoionization Primordial Helium Abundance Metal-poor Extragalactic H o Regions
2009/6/9
Photoionization Models of Metal-poor Extragalactic H o Regions And the Primordial Helium Abundance。
Primordial helium abundance determinations
Primordial helium nuclear reactions nucleosynthesis
2009/6/8
Primordial helium abundance determinations。