1. W. L. Bragg, Proc. Cambridge Phil. Soc. 17, 43 (1913).
2. C. Kittel, Introduction to Solid State Physics, 4th edn. (John Wiley and Sons, New York-Toronto; Nauka, Moscow, 1978).
3. B. K. Vainshtein, Usp. Fiz. Nauk 88(3), 528 (1969).
4. K. C. Holmes and D. M. Blow, Use of X-ray Diffraction in the Study of Protein and Nuclei Acid Structure (New York, 1966).
5. D. Sayre, Acta Cryst. 5, 60 (1952).