Infrarot-LED (German Wikipedia)

Analysis of information sources in references of the Wikipedia article "Infrarot-LED" in German language version.

refsWebsite

Global rank German rank

1web.archive.org

1^st place

1^st place

web.archive.org (Global: 1^st place; German: 1^st place)

The first LEDs were infrared (Memento vom 1. April 2010 im Internet Archive), in The Quartz Watch, The Lemelson Center, abgefragt am 9. März 2010