Felix Kopstein (English Wikipedia)

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

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low place

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7,922^nd place

5,981^st place

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books.google.com

Beolens, Bo; Watkins, Michael; Grayson, Michael (2011). The Eponym Dictionary of Reptiles. Baltimore: Johns Hopkins University Press. xiii + 296 pp. ISBN 978-1-4214-0135-5. (Dendrelaphis kopsteini, p. 145). Google Books

Beolens, Bo; Watkins, Michael; Grayson, Michael (2013). The Eponym Dictionary of Amphibians. Exeter, England: Pelagic Publishing. ISBN 978-1-907807-42-8. (ePub). xiii + 244 pp. (Callulops kopsteini, p. 115).

Beolens, Bo; Watkins, Michael; Grayson, Michael (2011). The Eponym Dictionary of Reptiles. Baltimore: Johns Hopkins University Press. xiii + 296 pp. ISBN 978-1-4214-0135-5. (Dendrelaphis kopsteini, p. 145). Google Books