Prediction of high-frequency intrinsic localized modes in Ni and NbHaas, Mati; Hižnjakov, Vladimir; Šelkan, Aleksander; Klopov, Mihhail; Sievers, A.J.Physical review B2011 / p. 144303-1 - 144303-8 : ill https://journals.aps.org/prb/abstract/10.1103/PhysRevB.84.144303