Halo de 22° (Portuguese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Halo de 22°" in Portuguese language version.

refsWebsite

Global rank Portuguese rank

8,147^th place

8,641^st place

1,911^th place

1,462^nd place

1^st place

low place

atoptics.co.uk

Les Cowley. «22° Halo Formation». Atmospheric Optics. Consultado em 15 de abril de 2007 (Including excellent illustrations and animations.)
http://www.atoptics.co.uk/halo/circular.htm
Les Cowley. «22° Circular halo». Atmospheric Optics. Consultado em 15 de abril de 2007

Harrison, Wayne (1 de fevereiro de 2012). «Nelson: Ring Around Moon Sign Of Approaching Storm». The Denver Channel. Denver. TheDenverChannel.com. Consultado em 4 de fevereiro de 2012