Johann Baptist von Spix (Catalan Wikipedia)

Analysis of information sources in references of the Wikipedia article "Johann Baptist von Spix" in Catalan language version.

refsWebsite

Global rank Catalan rank

1web.archive.org

1^st place

1^st place

1deutsche-biographie.de

1,974^th place

1,586^th place

1biomania.com.br

low place

low place

biomania.com.br

«Johann Baptist von Spix» (en portuguès). BioMania. [Consulta: -04-2010].

deutsche-biographie.de

Friedrich Ratzel. «Spix, Johann Baptist von» (en alemany). Deutsche Biographie, 1893. Arxivat de l'original el 2016-03-03. [Consulta: 7 abril 2010].

web.archive.org

Friedrich Ratzel. «Spix, Johann Baptist von» (en alemany). Deutsche Biographie, 1893. Arxivat de l'original el 2016-03-03. [Consulta: 7 abril 2010].