Measurements of cloud ice crystal size distributions made by a backscatter cloud probe (BCP) mounted on five commercial airliners flying international routes provide valuable information for future evaluations of cloud formation and their impacts on climate. Bulk cloud parameters were also derived from the size distributions.

- "KARL BESWICK , DARREL BAUMGARDNER, MARTIN GALLAGHER, GRACIELA B. RAGA , PATRICK MINNIS , DOUGLAS A. SPANGENBERG , ANDREAS VOLZ-THOMAS, PHILIPPE NEDELEC and KUO-YING WANG"