共 12 条
[2]
BEHNISCH J, 1965, THESIS TECHNICAL U D
[4]
HOEGER H, 1965, THESIS TECHNICAL U D
[5]
HUTH F, 1962, CRYOGENICS, V2, P368, DOI DOI 10.1016/0011-2275(62)90085-1
[6]
LEIPOLD E, 1964, THESIS TECHNICAL U D
[7]
MALKOV MP, 1963, SPRAVOTECHNIK FIZIKO
[8]
MCLENNAN JC, 1930, T ROY SOC CAN, V24, P3
[9]
MCLENNAN JC, 1930, T ROY SOC CAN, V24, P37