| Referências: |
ASHCROFT, N.W. AND MERMIN, N.D. "Solid State Physics", HRW Int. Ed., 1981 KITTEL, C. "Solid State Physics", 7th edition, Wiley, 1985. ALBUQUERQUE, E.L. and GOTTAM, M.G., "Polaritons in Periodic and Quasiperiodic Structures", 1st Edition Elsevier BV, 2004. |