1 - 2 toradh á dtaispeáint as 2 toradh san iomlán ar an gcuardach 'Sang, David', am iarratais: 0.01s Beachtaigh na torthaí
  1. 1

    One hundred years of the electron a teaching resource published to commemorate the centenary of JJ Thomson's discovery of the electron in 1897

    Foilsithe / Cruthaithe 1997
    LEABHAR

    One hundred years of the electron a teaching resource published to commemorate the centenary of JJ Thomson's discovery of the electron in 1897
  2. 2

    Henri Becquerel and radioactivity de réir Sang, David

    Foilsithe / Cruthaithe 1997
    LEABHAR

    Henri Becquerel and radioactivity

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