1. Radon, J.: Über die Bestimmung von Functionen durch ihre Integralwarte längs gewisser Mannigfaltigkeiten.Ber. Verh. Sächs. Acad. 69 (1917), 262?277.
2. Pikalov, V. V. and Preobrazhensky, N. G.: Computational tomography and physical experiment,Russian Phys. Surveys, 1983,141, No. 3 (1983), 469?498 (in Russian).
3. Wainstein, B. K.: Three-dimensional electron microscopy of biology micromolecules,Russian Phys. Surveys, 1973,109, No. 3 (1973) 455?497 (in Russian).
4. Kam, Z.: Three-dimensional reconstruction of aperiodic objects,J. Theoret. Biol. 82 (1980), 15?32.
5. Gelfand, I. M., Graev, M. J., and Vilenkin, N. Ya.:Integral Geometry and Related Problems of Representation Theory., Fizmatgiz, Moscow, 1962 (in Russian).