Quantifying transport between the tropical and mid-latitude lower stratosphere

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