Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.
APA Citation Edition CitationFreund, H., Birks, H. J. B., & Birks, H. H. (2001). The identification of wingless Betula fruits in Weichselian sediments in the Gross Todtshorn borehole (Lower Saxony, Germany), the occurrence of Betula humilis Schrank.
Chicago Citation Edition CitationFreund, Holger, H. J. B. Birks, und Hilary H. Birks. The Identification of Wingless Betula Fruits in Weichselian Sediments in the Gross Todtshorn Borehole (Lower Saxony, Germany), the Occurrence of Betula Humilis Schrank. 2001.
MLA Citation Edition CitationFreund, Holger, et al. The Identification of Wingless Betula Fruits in Weichselian Sediments in the Gross Todtshorn Borehole (Lower Saxony, Germany), the Occurrence of Betula Humilis Schrank. 2001.