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Showing results 1 - 3 of about 3 for copyright

  1. Les nouvelles substances radioactives et les rayons qu'elles émettent

    ...(CC0 1.0) This content is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this...

    https://library.si.edu/digital-library/book/nouvellessubsta00curi

  2. Radio-activity

    ...(CC0 1.0) This content is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this...

    https://library.si.edu/digital-library/book/radioactivit00ruth

  3. Henri Becquerel letter to an unidentified correspondent, dated 19 December 1899

    ...(CC0 1.0) This content is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this...

    https://library.si.edu/digital-library/book/henribecquerell00becq

Showing results 1 - 3 of about 3 for copyright
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