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V.V. Eremenko, S.B. Feodosyev, I.A. Gospodarev, V.A. Sirenko, M.Yu. Shvedun, W. McCallum, and M. Tovar, Negative thermal expansion of HTSC-type structures:low temperature structure measurementson Eu1+x(Ba1-yRy)2-xCu3O7-d compounds and theoretical treatment, Low Temp. Phys. 31, (2005) [Fiz. Nizk. Temp. 31, 350-355, (2005)] DOI: https://doi.org/10.1063/1.1884428.