EntityQ2633938· pop 6· linked from 18 articlesFred EeftingSign in to saveswimmerRecent publications · Crossref5 total works indexedPerceived Usefulness, Perceived Ease of Use, and User Acceptance of Information Technology · 1989 · cited 43,394xColorimetric Method for Determination of Sugars and Related Substances · 1956 · cited 41,858xSocial Identity Theory and the Organization · 1989 · cited 31,504xUser Acceptance of Information Technology: Toward A Unified View1 · 2003 · cited 29,655xUser Acceptance of Computer Technology: A Comparison of Two Theoretical Models · 1989 · cited 16,075xvia Crossref · CC0ConnectionsUtrechtConcept1980 Summer OlympicsEntityCategories1959 births20th-century Dutch sportsmenDutch male backstroke swimmersDutch male freestyle swimmersLiving peopleOlympic swimmers for the NetherlandsSwimmers at the 1980 Summer OlympicsSwimmers from Utrecht (city)