Home › Authors › Francis William Aston 👤 Francis William Aston b. 1877 – d. 1945 · 6 books Books by Francis William Aston Isotopes 2005 Isotope Isotope 1963 A new mass-spectrograph and th A new mass-spectrograph and the whole number rule 1927 The structural units of the ma The structural units of the material universe 1925 Mass specra and isotopes Mass specra and isotopes 1924 Atomic weights and isotopes Atomic weights and isotopes 1922