The presence of metastable HNO3/H20 solid phases in the stratosphere inferred from ER-2 data

Tabazadeh, A., and O.B. Toon (1996), The presence of metastable HNO3/H20 solid phases in the stratosphere inferred from ER-2 data, J. Geophys. Res., 101, 9071-9078.