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4. R. S. Mikhal'chenko, V. F. Getmanets, T. A. Kurskaya, et al., New Method for Improving the Efficiency of Thermal Insulation of Cryogenic Reservoirs and Pipelines, in: Proc. of the 9th Int. Conf. ?Kryogenika-88?, Usti-Na-Labe, Czechoslovakian SR (1988), pp. 185?188.
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