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2. Rational Bézier formulas with quaternion and Clifford algebra weights;Krasauskas,2014
3. Bilinear Clifford–Bézier patches on isotropic cyclides;Krasauskas,2014
4. Rational parametrization of quadrics and their offsets;Lü;Computing,1996
5. Rational Parametrizations for Envelopes of Quadric Families;Peternell,1997