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South Africa".
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Elena (1998). "Fulica atra
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August 2020.
Retrieved 12
September 2017. Boev,
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Avian Remains from an
Early Neolithic Settlement of
Slatina (Present...
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edition (2 volumes). Oxford:
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pp. 1342–1346. ISBN 978-0-19-850188-6. Boev,
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