Means of reducing losses of liquid helium in filling vessels
Tài liệu tham khảo
A. V. Lykov, The Theory of Thermal Conductivity [in Russian], GITTL, Moscow (1952).
R. B. Jacobs, “Liquid requirements for the cool-down of cryogenic equipment,” Adv. Cryog. Eng.,8, 529–535 (1962).