Procediment Ostwald (Catalan Wikipedia)

Analysis of information sources in references of the Wikipedia article "Procediment Ostwald" in Catalan language version.

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  • Ostwald, Wilhelm, "Improvements in the Manufacture of Nitric Acid and Nitrogen Oxides", GB 190200698, publicada 9 gener 1902, emesa 20 març 1902
  • Ostwald, Wilhelm, "Improvements in and relating to the Manufacture of Nitric Acid and Oxides of Nitrogen", GB 190208300, publicada 18 desembre 1902, emesa 26 febrer 1903

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