[3] МakcyтовДД. Acтpoномичecкaя Oптикa. Mосквa, Лeнинград, 1946. 293~305
[4] Lioyd Jones. Reflective and Catadioptric Objectives. (Handbook of Optics, McGraw-Hill Books), 1995. 18.8-18.11
[5] Rosin S. Corrected Cassegrain System. Appl. Opt., 1964, 3(1):151~152
[6] Rosin S. Ritchey-Chretien Corrector System. Appl. Opt., 1966, 5(4):675~676