Quantifying transport between the tropical and mid-latitude lower stratosphere

Volk, C.M., J.W. Elkins, D. Fahey, R. Salawitch, G. Dutton, J.M. Gilligan, M. Proffitt, M. Loewenstein, J. Podolske, K. Minschwaner, J. Margitan, and K.R. Chan (1996), Quantifying transport between the tropical and mid-latitude lower stratosphere, Science, 272, 1763-1768.