Stratospheric Constituent Trends from ER-2 Profile Data

Schoeberl, M.R., M. Proffitt, K. Kelly, L.R. Lait, P. Newman, J.E. Rosenfield, M. Loewenstein, J. Podolske, S. Strahan, and R. Chan (1990), Stratospheric Constituent Trends from ER-2 Profile Data, Geophys. Res. Lett., 17, 469-472.