Evidence of convection as major source of condensation nuclei in the north...
Wang, Y., S. C. Liu, B. E. Anderson, Y. Kondo, G. L. Gregory, G. Sachse, S. A. Vay, D. R. Blake, H. Singh, and A. M. Thompson (2000), Evidence of convection as major source of condensation nuclei in the north midlatitude upper troposphere, Geophys. Res. Lett., 27, 369-372.