Otto, F. (2025, December 14). Frei Otto quote. Quotesia. Retrieved from https://quotesia.com/frei-otto-quote/236100
Otto, Frei. “Frei Otto quote”. Quotesia. 14 Dec. 2025: https://quotesia.com/frei-otto-quote/236100.
Otto, F. (2025). Quotesia [Online]. Available at: https://quotesia.com/frei-otto-quote/236100 (Accessed: December 14 2025).
Otto, Frei. “Frei Otto quote” Quotesia. https://quotesia.com/frei-otto-quote/236100 (accessed December 14, 2025).
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