The Secondary Production of Ice in Cumulus Experiment (SPICULE), R. Paul Lawson, Alexei V. Korolev, Paul J. DeMott, Andrew J. Heymsfield, Roelof T. Bruintjes, Cory A. Wolff, Sarah Woods, Ryan J. Patnaude, Jørgen B. Jensen, Kathryn A. Moore, Ivan Heckman, Elise Rosky, Julie Haggerty, Russell J. Perkins, Ted Fisher, Thomas C.J. Hill Michigan Tech Publications