https://www.britannica.com › biography › Erno-Rubik
https://www.nytimes.com › 2020/09/16 › books › erno-rubik
https://www.rubiks.com/en-eu/about
https://www.theguardian.com/books/2020/sep/13/erno-rubik-the-cube-gives-me-hope-people-can-solve-their-problems-and-survive
https://www.nytimes.com/2020/09/16/books/erno-rubik-rubiks-cube-inventor-cubed.html
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