共 9 条
[2]
BRANSCOMB L, COMMUNICATION
[5]
Massey H. S. W., 1950, NEGATIVE IONS
[6]
Moore C.E., 1949, US NAT BUR STAND PUB, V467, p24Cr
[8]
SCHULER VH, 1955, Z NATURFORSCH A, V10, P252
[9]
Wu TY, 1936, PHILOS MAG, V22, P837