Note 93 — Chapter VI · THE AGE OF MODERN CHEMISTRY
Reading edition
Hon. R. J. Strutt: “On the Tendency of the Atomic Weights to approximate to Whole Numbers,” Philosophical Magazine, [6], vol. i. (1901), pp. 311 et seq.
[94] F. W. Aston: “Mass-spectra and Atomic Weights,” Journal of the Chemical Society, vol. cix. (1921), pp. 677 et seq.