Text on 9 keys (German Wikipedia)

Analysis of information sources in references of the Wikipedia article "Text on 9 keys" in German language version.

refsWebsite

Global rank German rank

800^th place

160^th place

66^th place

4^th place

1web.archive.org

1^st place

1^st place

espacenet.com

worldwide.espacenet.com

Patent EP1256871: Reduced keyboard disambiguating system. Veröffentlicht am 13. November 2002, Erfinder: Clifford A. Kushler, Dale Grover, Martin T. King und Cheryl A. Grunbock.‌

spiegel.de

Michaela Schiessl: Nazi statt Maxi. Spiegel Online, 2. April 2002, abgerufen am 28. Januar 2010.

web.archive.org

autocompletefail.de der T9 Tastaturen (Memento vom 10. Oktober 2011 im Internet Archive)