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- [2] NULL-POINT METHOD FOR MEASURING FLOW RATE IN A SAMPLING TRAIN AMERICAN INDUSTRIAL HYGIENE ASSOCIATION JOURNAL, 1966, 27 (02): : 135 - &
- [5] NULL-POINT SOLID ELECTROLYTE ELECTROCHEMICAL CELL FOR MEASURING LOW OXYGEN PARTIAL PRESSURES AT HIGH TEMPERATURES JOURNAL OF CHEMICAL THERMODYNAMICS, 1971, 3 (01): : 43 - &