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2. 2) J. Petter and M. Wendel : Fast optical 3D form measurement of aspheres including determination of thickness and wedge and decenter errors, Proc. SPIE 9633, Optifab 2015, 96331O (11 October 2015).
3. 3) G. Berger and J. Petter : Non-contact profiling for high precision fast asphere topology measurement, Proc. SPIE 8788, Optical Measurement Systems for Industrial Inspection VIII, 878819.
4. 4) G. Berger and J. Petter : Novel technology for high precision, fast non-contact asphere metrology, tm-Technisches Messen 81, 1 (February 2014).