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Spears, L.G.; Hackerman, N., Analysis of F2, HF, NF3, t-N2F2, and N2F4 Mixtures by Gas Chromatography, J. Gas Chromatogr., 1968, 6, 7, 392-393, https://doi.org/10.1093/chromsci/6.7.392 . [all data]