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Helmetia (Portuguese Wikipedia)

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

refsWebsite
Global rank Portuguese rank
1jstor.org
26th place
65th place
1doi.org
2nd place
4th place
1rom.on.ca
low place
low place

doi.org

dx.doi.org

  • Edgecombe, Gregory D.; Ramsköld, Lars (1999). «Relationships of Cambrian Arachnata and the Systematic Position of Trilobita». Journal of Paleontology. 73 (2): 263–287. JSTOR 1306784. doi:10.1017/S0022336000027761 

jstor.org

  • Edgecombe, Gregory D.; Ramsköld, Lars (1999). «Relationships of Cambrian Arachnata and the Systematic Position of Trilobita». Journal of Paleontology. 73 (2): 263–287. JSTOR 1306784. doi:10.1017/S0022336000027761 

rom.on.ca

burgess-shale.rom.on.ca

  • Canada, Royal Ontario Museum and Parks (10 de junho de 2011). «The Burgess Shale». burgess-shale.rom.on.ca (em inglês). Consultado em 28 de outubro de 2018