Columbia (Kontinent) (German Wikipedia)

Analysis of information sources in references of the Wikipedia article "Columbia (Kontinent)" in German language version.

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doi.org

Nick M.W. Roberts: The boring billion? – Lid tectonics, continental growth and environmental change associated with the Columbia supercontinent. In: Geoscience Frontiers. 4, 2013, S. 681, doi:10.1016/j.gsf.2013.05.004.