1. V. F. Kagan and N.I. Lobachevsky, in Essays on Geometry (Moscow State University, Moscow, 1963) [in Russian].
2. G. I. Barenblatt and P. J. M. Monteiro, Fiz. Megomekhanika 13(5), 41 (2010).
3. P. W. Bridgman, Dimensional Analysis (Yale University Press, New Haven, 1932).
4. G. I. Barenblatt, Self-Similar Phenomena. Dimensional Analysis and Scaling (Intellekt, Dolgoprudnyi, 2009) [in Russian].
5. Inorganic Crystal Structure Database. http://icsd.fizkarlsruhe.de/