Formel

Niggli-Formel
2023-12-31 14:33:05
by Paul Niggli
Satz von Jordan-Dickson
2024-01-17 08:41:02
by Leonard E. Dickson
Bluxao
2025-09-10 15:45:42
by Willi Baumeister


no copyright 2025 Re:Public Domain

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