Princípio de Fermat (Portuguese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Princípio de Fermat" in Portuguese language version.

refsWebsite

Global rank Portuguese rank

2,869^th place

3,582^nd place

1books.google.com

3^rd place

6^th place

books.google.com

Arthur Schuster, An Introduction to the Theory of Optics, London: Edward Arnold, 1904 online

hu-berlin.de

didaktik.physik.hu-berlin.de

Roger Erb: Geometrische Optik mit dem Fermat-Prinzip. In: Physik in der Schule. 30, Nr. 9, 1992, S. 291–295