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APA ZitierstilFreund, 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 ZitierstilFreund, Holger, H. J. B. Birks, and 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 ZitierstilFreund, Holger, H. J. B. Birks, and 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.