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2. Optics and photonics—Preparation of drawings for optical elements and systems—Part 12: Aspheric surfaces;ISO 10110-12:2007,2007
3. Handbook of Optical Systems;Gross,2006
4. Orthogonal curvature polynomials over a unit circle: basis set derived from curvatures of Zernike polynomials;Zhao;Opt Express,2013
5. Fitting freeform shapes with orthogonal bases;Forbes;Opt Express,2013