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Determination of Nitrogen in Coal. A Comparison of Various Modifications of the Kjeldahl Method with the Dumas Method ; by Arno C. Fieldner and Carl A. Taylor

Arno C. Fieldner

出版	U.S. Government Printing Office, 1915
URL	http://books.google.com.hk/books?id=aYkiQwAACAAJ&hl=&source=gbs_api