Flocking and turning: a new model for self-organized collective motion. - Andrea Cavagna; Lorenzo Del Castello; Irene Giardina; Tomas Grigera; Asja Jelic; Stefania Melillo; Thierry Mora; Leonardo Parisi; Edmondo Silvestri; Massimiliano Viale; Aleksandra M. Walczak (CoRR, 2014)