Variations in the Relative Abundance of the Carbon Isotopes

A Mass Spectrometer for Routine Isotope Abundance Measurements

A. O. Nier · Review of Scientific Instruments · 1940 · 385 citations

Isotope Analysis, Engineering, Mass Spectrometer +14

Variations in the Relative Abundance of the Carbon Isotopes

A. O. Nier, Earl A. Gulbransen · Journal of the American Chemical Society · 1939 · 292 citations

Engineering, Nuclear Data, Altmetric Attention Score +20

Relative Abundances of the Oxygen Isotopes

Byron F. Murphey · Physical Review · 1941 · 19 citations

Isotope Analysis, Isotope Geochemistry, Oxygen Isotopes +3