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- [4] TERPENES IN A CONIFER FOREST - DETECTION AT SUB-PARTS PER BILLION LEVEL WITHOUT SAMPLE PRECONCENTRATION ATMOSPHERIC ENVIRONMENT PART A-GENERAL TOPICS, 1992, 26 (15): : 2853 - 2857
- [5] Low parts per billion determination of sulfide by coulometric argentometry Environmental Science and Technology, 1998, 32 (11): : 1734 - 1737
- [9] SUB-PARTS PER BILLION DETECTION OF ISOPRENE USING A REDUCTION GAS DETECTOR WITH A PORTABLE GAS-CHROMATOGRAPH ATMOSPHERIC ENVIRONMENT PART A-GENERAL TOPICS, 1993, 27 (16): : 2689 - 2692
- [10] DETERMINATION OF COBALT(II) IN PARTS PER BILLION RANGE BY FLUORESCENCE EXTINCTION FRESENIUS ZEITSCHRIFT FUR ANALYTISCHE CHEMIE, 1963, 199 (06): : 424 - 429