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2. First-Order Design and the y, y¯ Diagram
3. Application of the Plate Diagram to Reflecting Telescope Design
4. Analytical Aspects Of The Y-Y Diagram
5. Gross, H., Zugge, H., Peschka, M., and Blechinger, F., [Handbook of Optical Systems: Aberration Theory and Correction of Optical Systems], vol. 3, Wiley-VCH (1994).