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- Helium in ground water and soil gas in the vicinity of Bush Dome Reservoir, Cliffside Field, Potter County, Tex.
- A method for determining helium in water
- An analyzer for determining helium-4 in the parts-per-billion range
- An improved analyzer for determining helium-4 in parts-per-billion range
- An improved method for determining helium in water
- A mass spectrometer method for determining helium in the parts-per-million to 10-percent range