Effects of long-range forces in nonlinear dynamics of crystals : creation of defects and self-localized vibrationsHaas, Mati; Hižnjakov, Vladimir; Klopov, Mihhail; Shelkan, A.IOP conference series : materials science and engineering2010 / 1, p. 01245 : ill https://iopscience.iop.org/article/10.1088/1757-899X/15/1/012045