@article{Ballerini_2008_Eio,
author = {Ballerini, Michele and Cabibbo, Nicola and Candelier, Raphael and Cavagna, Andrea and Cisbani, Evaristo and Giardina, Irene and Orlandi, Alberto and Parisi, Giorgio and Procaccini, Andrea and Viale, Massimiliano and Zdravkovic, Vladimir},
title = {Empirical investigation of starling flocks: a benchmark study in collective animal behaviour},
journal = {Animal Behavior},
year = {2008},
volume = {76},
number = {1},
month = {May},
}