共 50 条
- [32] STABILIZATION OF GAIN OF A SCINTILLATION COUNTER FOR REGISTERING C-14 INSTRUMENTS AND EXPERIMENTAL TECHNIQUES-USSR, 1970, (04): : 1069 - +
- [33] PROPORTIONAL-COUNTERS FOR MEASURING SMALL C-14 AMOUNTS PRIBORY I TEKHNIKA EKSPERIMENTA, 1974, (03): : 56 - 57
- [39] LIQUID SCINTILLATION COUNTING OF TRITIUM AND C-14 LABELED COMPOUNDS REVIEW OF SCIENTIFIC INSTRUMENTS, 1954, 25 (07): : 670 - 674
- [40] THE USE OF ARGON AT ATMOSPHERIC PRESSURE AS GEIGER COUNTING GAS IN A WINDOWLESS COUNTER JOURNAL OF SCIENTIFIC INSTRUMENTS, 1958, 35 (11): : 422 - 423