共 7 条
[1]
ASTON, 1922, ISOTAPES, V17
[2]
JETTE, 1927, PHIL MAG, V3, P58
[5]
1923, P NAT ACAD SCI, V9, P75
[6]
1924, P NAT ACAD SCI, V10, P458
[7]
1925, P NAT ACAD SCI, V11, P393