Usninsäure (German Wikipedia)

Analysis of information sources in references of the Wikipedia article "Usninsäure" in German language version.

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carlroth.com

doi.org

  • Oskar Widman: Zur Kenntniss der Usninsäure. In: Justus Liebig's Annalen der Chemie. 310, 1900, S. 230, doi:10.1002/jlac.19003100209.
  • Kreft, S. et Štrukelj, B. Reversed-polarity capillary zone electrophoretic analysis of usnic acid. Electrophoresis, 22:2755–2757, doi:10.1021/ac990198+.

europa.eu

ec.europa.eu

sigmaaldrich.com