Birkenia (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Birkenia" in English language version.

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1researchgate.net

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1books.google.com

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books.google.com

Dineley, David L. & Metcalf, S. J. (1999). Fossil fishes of Great Britain (Volume 16 of Geological conservation review series). Joint Nature Conservation Committee. pp. 38, 46 (675). ISBN 9781861074706.

doi.org

Blom, Henning (May 2012). "New birkeniid anaspid from the Lower Devonian of Scotland and its phylogenetic implications". Palaeontology. 55 (3): 641–652. Bibcode:2012Palgy..55..641B. doi:10.1111/j.1475-4983.2012.01142.x.

harvard.edu

ui.adsabs.harvard.edu

Blom, Henning (May 2012). "New birkeniid anaspid from the Lower Devonian of Scotland and its phylogenetic implications". Palaeontology. 55 (3): 641–652. Bibcode:2012Palgy..55..641B. doi:10.1111/j.1475-4983.2012.01142.x.

researchgate.net

Blom, Henning, T. Märss, and C. G. Miller. "Silurian and earliest Devonian birkeniid anaspids from the Northern Hemisphere." Earth and Environmental Science Transactions of the Royal Society of Edinburgh 92.03 (2001): 263-323. [1]