Otto, F. (2026, April 22). Frei Otto quote. Quotesia. Retrieved from https://quotesia.com/frei-otto-quote/236100
Otto, Frei. “Frei Otto quote”. Quotesia. 22 Apr. 2026: https://quotesia.com/frei-otto-quote/236100.
Otto, F. (2026). Quotesia [Online]. Available at: https://quotesia.com/frei-otto-quote/236100 (Accessed: April 22 2026).
Otto, Frei. “Frei Otto quote” Quotesia. https://quotesia.com/frei-otto-quote/236100 (accessed April 22, 2026).
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