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.