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Low-temperature phase equilibria of helium-bearing natural gases :Cliffside gas
Low-temperature phase equilibria of helium-bearing natural gases :Hogback gas
Low-temperature phase equilibria of helium-bearing natural gases :hansford gas
Low-temperature phase equilibria of a natural gas of low helium content
Isotopic abundance of neon, argon, and nitrogen in natural gases :relationship to helium genesis
Analyses of natural gases, 1966
Analyses of natural gases, 1970
Analyses of natural gases, 1972,
Analyses of natural gases, 1974
Analyses of natural gases, 1976