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1922

 

Hermann von Helmholtz

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  1. nn. Annallen der Physik
  2. Bull, de 1'acad. d. Scienc. de St. Petersbourg Bulleten de I'aeadamiJ des Sciences de St. Petersbourg.
  3. Philos. Magaz. Philosophical Magazine.
  4. Philos. Transact. Philosophical Transactions.
  5. Pogg. Ann. Annallen der Physik, herausgeg. von Poggendorf.

23 1847 .

. 1847 .


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