共 4 条
[2]
GOODWIN RD, 1959, ADVANCES CRYOGENIC E, V4, P487
[3]
HIGH-STABILITY BRIDGE-BALANCING OSCILLATOR
[J].
PROCEEDINGS OF THE INSTITUTE OF RADIO ENGINEERS,
1955, 43 (06)
:701-707
[4]
WEST ED, 1957, REV SCI INSTR, V28, P1072