Wilhelm Haarmann (Chemiker) (German Wikipedia)

Analysis of information sources in references of the Wikipedia article "Wilhelm Haarmann (Chemiker)" in German language version.

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archive.org

bnf.fr

gallica.bnf.fr

  • F. Tiemann und W. Haarmann: Ueber das Coniferin und seine Umwandlung in das aromatische Princip der Vanille. In: Ber. Dtsch. Chem. Ges. 7, 1874, S. 608–623. (Digitalisat auf Gallica).

visualiseur.bnf.fr

doi.org

espacenet.com

worldwide.espacenet.com

hathitrust.org

babel.hathitrust.org

vanille-bernhard.blogspot.de