Iconic 1987 Dieter Rams-designed Braun calculator to be re-released this year - The Verge
112: DIETER RAMS AND DIETRICH LUBS, ET 66 calculators, pair < Dieter Rams: The JF Chen Collection, 12 July 2018 < Auctions | Wright: Auctions of Art and Design
Braun ET66 calculator and the Calculator on the iPhone | Dieter rams, Braun calculator, Apple design
Iconic 1987 Dieter Rams-designed Braun calculator to be re-released this year - The Verge