Espelhos planos (Portuguese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Espelhos planos" in Portuguese language version.

refsWebsite

Global rank Portuguese rank

low place

low place

1books.google.com

3^rd place

6^th place

books.google.com

Brewster, David (1858). The Kaleidoscope: Its History, Theory, and Construction with its Application to the Fine and Useful Arts 2 ed. [S.l.]: J. Murray

wikipedia.org

en.wikipedia.org

[[1]] Rear-view mirror
[[2]] Periscope