Тремадокий (Bulgarian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Тремадокий" in Bulgarian language version.

refsWebsite

Global rank Bulgarian rank

850^th place

801^st place

low place

low place

1stratigraphy.org

2,562^nd place

3,219^th place

datapages.com

archives.datapages.com

Sepkoski, J. J. The Ordovician Radiations: Diversification and Extinction Shown by Global Genus-Level Taxonomic Data. 1995. Посетен на 24 ноември 2012.

purdue.edu

engineering.purdue.edu

GSSP Table – Paleozoic Era // Geologic TimeScale Foundation. Посетен на 24 ноември 2012.

stratigraphy.org

Cooper, R. A. и др. Global Stratotype Section and Point for base of the Ordovician System // Episodes 24 (1). 2001. с. 19 – 28. Посетен на 20 септември 2012.