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Trace chemical measurements from the northern midlatitude lowermost...

Singh, H., Y. Chen, G. L. Gregory, G. Sachse, R. Talbot, D. R. Blake, Y. Kondo, J. D. Bradshaw, B. Heikes, and D. Thornton (1997), Trace chemical measurements from the northern midlatitude lowermost stratosphere: distributions, correlations, and fate, Geophys. Res. Lett., 24, 127-130.