فرایند استوالد (Persian Wikipedia)

Analysis of information sources in references of the Wikipedia article "فرایند استوالد" in Persian language version.

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2,283^rd place

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archive.org

Alan V. Jones; M. Clemmet; A. Higton; E. Golding (1999). Alan V. Jones (ed.). Access to chemistry. Royal Society of Chemistry. p. 250. ISBN 0-85404-564-3. خطای یادکرد: برچسب <ref> نامعتبر؛ نام «jones1» چندین بار با محتوای متفاوت تعریف شده است. (صفحهٔ راهنما را مطالعه کنید.).

GB 190200698, Ostwald, Wilhelm, "Improvements in the Manufacture of Nitric Acid and Nitrogen Oxides", published January 9, 1902, issued March 20, 1902
GB 190208300, Ostwald, Wilhelm, "Improvements in and relating to the Manufacture of Nitric Acid and Oxides of Nitrogen", published December 18, 1902, issued February 26, 1903