Pteraspis (Portuguese Wikipedia)

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

refsWebsite

Global rank Portuguese rank

1royalsocietypublishing.org

1,993^rd place

1,136^th place

2^nd place

4^th place

1prehistoric-wildlife.com

low place

5,446^th place

doi.org (Global: 2^nd place; Portuguese: 4^th place)

dx.doi.org

White, Errol Ivor; Woodward, Arthur Smith (22 de outubro de 1935). «X-The ostracoderm Pteraspis Kner and the relationships of the agnathous vertebrates». Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences (527): 381–457. doi:10.1098/rstb.1935.0015. Consultado em 20 de setembro de 2022

prehistoric-wildlife.com (Global: low place; Portuguese: 5,446^th place)

«Pteraspis». www.prehistoric-wildlife.com. Consultado em 20 de setembro de 2022

royalsocietypublishing.org (Global: 1,993^rd place; Portuguese: 1,136^th place)

White, Errol Ivor; Woodward, Arthur Smith (22 de outubro de 1935). «X-The ostracoderm Pteraspis Kner and the relationships of the agnathous vertebrates». Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences (527): 381–457. doi:10.1098/rstb.1935.0015. Consultado em 20 de setembro de 2022