共 7 条
[1]
ANDERSON W, 1954, NATURE LOND, V193, P1169
[4]
EVANS RD, 1933, REV SCI INSTRUM, V4, P250
[5]
FORREST JS, 1953, BRIT J APPL PHYS S2, V4, P37
[6]
LUCAS HF, 1958, REV SCI INSTRUM, V28, P680
[7]
TAYSUM DH, 1955, NUCLEONICS, V13, P68