Levin, Z., Teller, A., Ganor, E., Graham, B., Andreae, M. O., Maenhaut, W., et al. (2003). Role of aerosol size and composition in nucleation scavenging within clouds in a shallow cold front. Journal of Geophysical Research, 108(D22): 4700. doi:10.1029/2003JD003647.