1. B.K. Vainstein, Modern Crystallography: Fundamentals of Crystals, Symmetry and Methods of Structural Crystallography, vol. 1 (Springer, Berlin, 1994) Kristallographia 4, 842 (1959)
2. T. Hahn (ed.), International Tables for Crystallography. Space-group Symmetry, vol. A (Reidel, Dordrecht, 1983)
3. M. Damnjanović, I. Milosěvić, Line Groups in Physics. Lecture Notes in Physics, vol. 801 (Springer, Berlin, 2010)
4. M. Vujičić, I.B. Božović, F. Herbut, J. Phys. A: Math. Gen. 10, 1271 (1977)
5. V. Kopsky, D.B. Litvin (eds.), International Tables for Crystallography. Subperiodic Groups, vol. E (Kluwer Academic Publishers, Dodrecht, 2002)