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Continue to ChatRuled surfaces constructed by quaternions - https://avesis.gazi.edu.tr/publication/details/04322b32-44e3-48a0-8641-d038e416d8d2/ruled-surfaces-constructed-by-quaternions
Ruled surfaces constructed by quaternions - https://avesis.gazi.edu.tr/publication/details/04322b32-44e3-48a0-8641-d038e416d8d2/ruled-surfaces-constructed-by-quaternions