Sources

Every source backing a fact on Richard B. Arthur's own page, deduplicated — the same source backing several facts appears once.

• http://chi2009.acm.org/ — http://chi2009.acm.org/
• https://dl.acm.org/doi/proceedings/10.1145/1409240 — https://dl.acm.org/doi/proceedings/10.1145/1409240