Crowds-related research: Crowding
Novelli, D., Drury, J., Reicher, S., & Stott, C. (2013). Crowdedness mediates the effect of social identification on positive emotion in a crowd: A survey of two crowd events. PLoS ONE 8(11): e78983. doi:10.1371/journal.pone.0078983
Templeton, A., Drury, J., Philippides, A. (2018). Walking together: Behavioural signatures of psychological crowds. Royal Society Open Science 5, 180172.