Browse TRAIL Inventories

Analyses of natural gases, 1976

Analyses of natural gases, 1977

Helium resources of the United States, 1977

Helium -its relationship to geologic systems and its occurrence with the natural gases, nitrogen, carbon dioxide, and argon

Improved method for determination of helium-4 in helium-3 by mass spectrometry

An improved method for preparing gravimetric standard gas mixtures of helium-4 in nitrogen


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