doi:10.1103/PhysRevB.38.8075 http://dx.doi.org/10.1103/PhysRevB.38.8075 2. Dijkstra E, Janner A, Meekes H, 1992. The dielectric tensor in incommensurately modulated crystal phases. J. Phys.: Condens. Matter 4: 693-713. doi:10.1088/0953-8984/4/3/010 http://dx.doi.org/10.1088/0953-8984/4/3/010 3. Kremers M, 1995. Optical and morphological aspects of incommensurate crystals. Ph. D. Thesis. University of Nijmegen, Netherlands. 4. Stasyuk IV, Shvaika AM, Mokhnyak SM, 1989. On the microscopic theory of optical properties of crystals with incommensurate phases. Phys. Status Solidi (b) 156: 377-382. 5. Janner A, Janssen T, 1980. Symmetry of incommensurate crystal phases. I. Commensurate basic structures. Acta Cryst. A 36: 399-408. doi:10.1107/S0567739480000885 http://dx.doi.org/10.1107/S0567739480000885 6. Agranovich VM, Ginzburg VL, 1974. Crystal optics with spatial dispersion, and excitons. Berlin, Springer-Verlag. 7. Davydov AS, 1976. Theory of solid state. Moscow, Nauka. 8. Kremers M, Meekes H, Bennema P, Balzuweit K, Verheijen MA, 1994. A superspace description for the morphology of modulated crystals - an explanation for the occurrence of faces (hklm). Phil. Mag. B 69: 69-85. |