High humidities and subvisible cirrus near the tropical tropopause

Jensen, E.J., W.G. Read, J. Mergenthaler, B.J. Sandor, L. Pfister, and A. Tabazadeh (1999), High humidities and subvisible cirrus near the tropical tropopause, Geophys. Res. Lett., 26, 2347-2350.