共 2 条
[1]
DAUM G, 1959, NUCL INSTR METH, V5, P75
[2]
A STABLE 0.1-PERCENT BEAM CURRENT INTEGRATOR FOR THE RANGE 0.1 TO 20 MU-A
[J].
NUCLEAR INSTRUMENTS & METHODS,
1961, 12 (01)
:195-197