Literature cited
V. G. Fastovskii, Yu. V. Petrovskii, and A. E. Rovinskii, Cryogenic Engineering [in Russian], Energiya, Moscow (1967).
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Translated from Khimicheskoe i Neftyanoe Mashinostroenie, No. 7, pp. 40–41, July, 1971.
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Belonogov, A.V., Povarov, Y.I., Dobrov, V.M. et al. Refrigeration unit with helium cooling cycle and expander for retrograde condensation of hydrogen vapors. Chem Petrol Eng 7, 633–636 (1971). https://doi.org/10.1007/BF01163227
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DOI: https://doi.org/10.1007/BF01163227