<bibl xml:id="Weiss_1823">
                    <note type="citation-string">WEISS, Christian Samuel: On the Methodical and
                        Natural Distribution of the different Systems of Crystallisations. In an
                        letter from M. Weiss, Professor of Mineralogy in the University of Berlin,
                        to Dr. Brewster. In: The Edinburgh Philosophical Journal 8 (1823), S.
                        103–110</note>
                    <relatedItem type="onlineedition">
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                </bibl>