共 50 条
- [1] LOW-LEVEL LOW-FREQUENCY DETECTION SYSTEM REVIEW OF SCIENTIFIC INSTRUMENTS, 1962, 33 (11): : 1200 - &
- [5] LOW-LEVEL MEASUREMENTS OF DC VOLTAGES USING A SQUID JOURNAL OF PHYSICS E-SCIENTIFIC INSTRUMENTS, 1976, 9 (10): : 807 - 809
- [9] SYSTEM FOR LOW-FREQUENCY NOISE MEASUREMENTS REVIEW OF SCIENTIFIC INSTRUMENTS, 1962, 33 (06): : 654 - &