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- [6] TEFLON VIALS FOR LOW-LEVEL C-14 LIQUID SCINTILLATION-COUNTING INTERNATIONAL JOURNAL OF APPLIED RADIATION AND ISOTOPES, 1980, 31 (01): : 20 - 20
- [7] CONTINUOUS MEASURING OF (CO2)-C-14 BY LIQUID SCINTILLATION-COUNTING INTERNATIONAL JOURNAL OF APPLIED RADIATION AND ISOTOPES, 1980, 31 (01): : 18 - 18
- [8] SMALL VOLUME TEFLON-COPPER VIAL FOR C-14 LOW-LEVEL LIQUID SCINTILLATION-COUNTING INTERNATIONAL JOURNAL OF APPLIED RADIATION AND ISOTOPES, 1979, 30 (07): : 452 - 454