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VITEBSKII, I. M.; IAVRINENKO, N. M.; SEMINOZHENKO, V. P.; SOBOLEV, V. L.; A, C. A. Peculiarities of Elastic and Acoustic Properties of the Miltidomain Ferroelastics YBa2Cu3O7 and La2CuO4. Fiz. Nizk. Temp. 1990, 16, 677-680.