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Lupton & Graham 1991
Lupton, J. and Graham, D. (1991). Comment on “A ten-year decrease in the atmospheric helium isotope ratio possibly caused by human activity”, by Y. Sano et al.. Geophysical Research Letters 18: doi: 10.1029/91GL00493. issn: 0094-8276.
Keywords
Atmospheric Composition and Structure, Evolution of the atmosphere, Atmospheric Composition and Structure, Geochemical cycles
Journal
Geophysical Research Letters
http://www.agu.org/journals/gl/
Publisher
American Geophysical Union
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