Katiense (Spanish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Katiense" in Spanish language version.

refsWebsite

Global rank Spanish rank

850^th place

553^rd place

2^nd place

2^nd place

1stratigraphy.org

2,562^nd place

1,282^nd place

doi.org

dx.doi.org

Bergström, Stig; Finney, Stanley; Xu, Chen; Goldman, Daniel; Leslie, Stephen (31 de agosto de 2006). «Three new Ordovician global stage names». Lethaia 39 (3): 287-288. doi:10.1080/00241160600847439.

purdue.edu

engineering.purdue.edu

«GSSP Table - Paleozoic Era». Geologic Timescale Foundation. Consultado el 2 de diciembre de 2012.
«GSSP for Katian Stage». Geologic Timescale Foundation. Consultado el 2 de diciembre de 2012.

stratigraphy.org

Goldman, Daniel; Stephen A. Leslie; Jaak Nõlvak; Seth Young; Stig M. Bergström; Warren D. Huff (2007). «The Global Stratotype Section and Point (GSSP) for the base of the Katian Stage of the Upper Ordovician Series at Black Knob Ridge, Southeastern Oklahoma, USA». Episodes 30 (4): 258-270. Consultado el 20 de septiembre de 2012.