Proceedings of the National Academy of Sciences · 1953 · 42 citations · 2 references
Natural SciencesEarth SciencesCrop ProductionElemental AnalysisGeochemistryAge DeterminationNuclear DecayRadioactive DecayWater ContentPlant Growth AnalysisRadioactivity MeasurementSnow Liquid Water ContentTritium TracingWater Age Dating
Proceedings of the National Academy of Sciences (PNAS), a peer reviewed journal of the National Academy of Sciences (NAS) - an authoritative source of high-impact, original research that broadly spans the biological, physical, and social sciences.
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A. V. Grosse, W. M. Johnston, Richard Wolfgang et al. · Science · 1951 · 118 citations
The Helium-3 Problem of the Atmosphere
P. Harteck, V. Faltings · Nature · 1950 · 16 citations