See also: Yu.I. Krasilov, V.I. Burkov, M.V. Vol’kenshtein
PACS: 78.20.Ek, 78.20.Fm, 78.40.-q, 61.50.Lt, 87.15.By, 61.66.Fn, 71.20.-b, 71.35.-y, 61.30.-v, 42.25.Gy, 42.25.Ja, 42.50.Ct, 42.65.-k, 02.10.Ud