EntityQ1452436· pop 5· linked from 4 articlesFred MarhenkeSign in to saveGerman judokaMusic · MusicBrainzTypePersonCountryUSActive from1899-05-10Active to1987-06-22via MusicBrainz · CC0Recent publications · Crossref5 total works indexedPerceived Usefulness, Perceived Ease of Use, and User Acceptance of Information Technology · 1989 · cited 43,374xColorimetric Method for Determination of Sugars and Related Substances · 1956 · cited 41,857xSocial Identity Theory and the Organization · 1989 · cited 31,503xUser Acceptance of Information Technology: Toward A Unified View1 · 2003 · cited 29,645xUser Acceptance of Computer Technology: A Comparison of Two Theoretical Models · 1989 · cited 16,084xvia Crossref · CC0ConnectionsjudoEntitySports Reference, LLCCompanyCategories1950 births20th-century German sportsmenGerman male judokaJudoka at the 1976 Summer OlympicsLiving peopleMartial artists from ThuringiaOlympic judoka for West GermanyPeople from Sömmerda