Período Ímbrico Inferior (Spanish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Período Ímbrico Inferior" in Spanish language version.

refsWebsite

Global rank Spanish rank

850^th place

553^rd place

1web.archive.org

1^st place

1^st place

purdue.edu

stratigraphy.science.purdue.edu

Global Boundary Stratotype Section and Point (GSSP) of the International Commission of Stratigraphy, Status on 2009.

web.archive.org

International Stratigraphic Chart, 2008