Sources

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

• https://dblp.org/pid/42/1741.html — https://dblp.org/pid/42/1741.html
• https://dl.acm.org/action/showFmPdf?doi=10.1145%2F1613858 — https://dl.acm.org/action/showFmPdf?doi=10.1145%2F1613858