Autore:Friedrich Konrad Beilstein

Friedrich Konrad

Beilstein XIX secolo/XX secolo chimico russo Beilstein Friedrich Konrad.jpg

  1. 1,0 1,1 Fonte
  2. 2,0 2,1 data.bnf.fr
  3. 3,0 3,1 Encyclopædia Britannica
  4. 4,0 4,1 SNAC
  5. 5,0 5,1 Brockhaus Enzyklopädie
  6. 6,0 6,1 Proleksis enciklopedija