Firbente virveldyr (Norwegian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Firbente virveldyr" in Norwegian language version.

refsWebsite

Global rank Norwegian rank

222^nd place

262^nd place

2^nd place

9^th place

234^th place

369^th place

doi.org

Grzegorz Niedźwiedzki, Piotr Szrek, Katarzyna Narkiewicz, Marek Narkiewicz, Per E. Ahlberg (2010). «Tetrapod trackways from the early Middle Devonian period of Poland». Nature (engelsk): 43–48. doi:10.1038/nature08623.

nature.com

Dalton, Rex (6. januar 2010). «Discovery pushes back date of first four-legged animal» (engelsk). Nature News. Besøkt 7. mars 2010.

wiley.com

onlinelibrary.wiley.com

Lombard, R.E. & Bolt, J.R. (1979): Evolution of the tetrapod ear: an analysis and reinterpretation. Biological Journal of the Linnean Society No 11: side 19–76 Sammendrag (på engelsk)