PACS:61.12.Ex, 78.20.−e (all) DOI:10.1070/PU1958v001n01ABEH003092 URL: https://ufn.ru/en/articles/1958/1/l/ Citation: Chentsov P "Direct observation of optical vibrations of a Crystal lattice of a Solid by means of neutron scattering" Sov. Phys. Usp.1 165–166 (1958)