Ordovicium (Swedish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Ordovicium" in Swedish language version.

refsWebsite

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2,073^rd place

purdue.edu

http://stratigraphy.science.purdue.edu/gssp/index.php?parentid=77
http://stratigraphy.science.purdue.edu/references/Sandbian.pdf A proposed global boundary stratotype for the base of the Upper Series of the Ordovician System: The Fågelsång section, Scania, southern Sweden
http://stratigraphy.science.purdue.edu/gssp/detail.php?periodid=140&top_parentid=77
http://stratigraphy.science.purdue.edu/references/Floian.pdf The GSSP of the Second (Upper) Stage of the Lower Ordovician Series: Diabasbrottet at Hunneberg, Province of Västergötland, Southwestern Sweden by Stig M. Bergström1, Anita Löfgren2, and Jörg Maletz3