Cretáceo (Portuguese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Cretáceo" in Portuguese language version.

refsWebsite

Global rank Portuguese rank

2,562^nd place

1,793^rd place

857^th place

314^th place

sciencemag.org

BarrasApr. 1, Colin; 2019; Am, 10:50 (1 de abril de 2019). «Astonishment, skepticism greet fossils claimed to record dinosaur-killing asteroid impact». Science | AAAS (em inglês). Consultado em 2 de abril de 2019

International Comission on Stratigraphy (Agosto de 2012). «International Chronostratigraphic Chart» (PDF). www.stratigraphy.org. Consultado em 27 de maio de 2013
Cohen, K. M.; Finney, S. C.; Gibbard, P. L.; Fan, J.-X. (2013; updated) The ICS International Chronostratigraphic Chart. Episodes 36: 199-204.