Farbkreisel (German Wikipedia)

Analysis of information sources in references of the Wikipedia article "Farbkreisel" in German language version.

refsWebsite

Global rank German rank

6^th place

40^th place

1deutschestextarchiv.de

low place

1,357^th place

archive.org (Global: 6^th place; German: 40^th place)

Thomas Young: A Course of Lectures on Natural Philosophy and the Mechanical Arts. Johnson, London 1807, S. 440 (online).

deutschestextarchiv.de (Global: low place; German: 1,357^th place)

Johann Wolfgang von Goethe: Zur Farbenlehre. Bd. 1. Tübingen, 1810, S. 210 (Digitalisat).