Constraints on the seasonal cycle of stratospheric water vapor using in situ...

Weinstock, E., E. Hintsa, D. B. Kirk-Davidoff, J. Anderson, A. E. Andrews, R. L. Newman, C. R. Webster, M. Loewenstein, J. Podolske, and T. P. Bui (2001), Constraints on the seasonal cycle of stratospheric water vapor using in situ measurements from the ER-2 and a CO photochemical clock, J. Geophys. Res., 106, 22707-22734, doi:2000JD000047.
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