Simultaneous observations of polar stratospheric clouds and HNO3 over...
Massie, S., M. Santee, W. Read, J. Dye, W. Randel, X. Tie, F. Wu, G. Brasseur, and A. Tabazadeh (1997), Simultaneous observations of polar stratospheric clouds and HNO3 over Scandinavia in January, 1992, Geophys. Res. Lett., 24, 595.