共 4 条
[1]
CAMPBELL, 1910, P CAMB PHIL SOC, V15, P314
[2]
LLEWELLYN, 1930, P I RAD ENG, V18, P243
[3]
MOULLIN, 1934, P ROY SOC A, V147, P100
[4]
ZIEGLER, 1935, PHYS GRAV, V2, P415