Sources

Every source backing a fact on ergonomie & technologie GmbH's own page, deduplicated — the same source backing several facts appears once.

• https://dl.acm.org/doi/proceedings/10.1145/1085777 — https://dl.acm.org/doi/proceedings/10.1145/1085777
• https://dl.acm.org/doi/proceedings/10.1145/1377999 — https://dl.acm.org/doi/proceedings/10.1145/1377999