共 7 条
[1]
Armstrong R., 1960, J APPL PHYS, V31, P1954
[2]
FLEISCHMANN VH, 1961, Z NATURFORSCH, VA16, P765
[4]
OFFERGELD G, 1961, CR HEBD ACAD SCI, V252, P3788
[5]
STEGHERR VA, 1961, Z NATURFORSCH, VA16, P130