Focus (òptica) (Catalan Wikipedia)

Analysis of information sources in references of the Wikipedia article "Focus (òptica)" in Catalan language version.

refsWebsite
Global rank Catalan rank
1,849th place
2nd place
1,266th place
1,226th place
1,148th place
3rd place

enciclopedia.cat

google.cat

books.google.cat

umn.edu

charfac.umn.edu