Yoa (Polish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Yoa" in Polish language version.

refsWebsite

Global rank Polish rank

1schattenblick.net

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nytimes.com

Kenneth Chang: Shift From Savannah to Sahara Was Gradual, Research Suggests. New York Times. [dostęp 2017-12-23]. (ang.).

schattenblick.net

Stefan Kröpelin: Seen in der Sahara. [dostęp 2017-12-23]. (niem.).

uni-koeln.de

Stefan Kröpelin et al: Annually laminated sediments at Ounianga Kebir, Chad, characterized using a micro-fluorescence core scanner. In: Geophysical Research Abstracts 10, 2008. (Zusammenfassung, PDF).