Profile Tracer (German Wikipedia)

Analysis of information sources in references of the Wikipedia article "Profile Tracer" in German language version.

refsWebsite

Global rank German rank

340^th place

525^th place

800^th place

160^th place

espacenet.com

worldwide.espacenet.com

Patent US1048649A: Profile-Tracer. Angemeldet am 2. Februar 1912, veröffentlicht am 31. Dezember 1912, Erfinder: Vannevar Bush.‌

si.edu

americanhistory.si.edu

Vannevar Bush's Profile Tracer. In: americanhistory.si.edu. Abgerufen am 8. Februar 2016.