@book{book, title  = {{Understanding Crowd Behaviours, Volume 1: Practical Guidance and Lessons Identified.}},

 publisher = {{TSO}},

 url = {{http://tso/ }},

 year = {{2010}},

 month = {{1}},

 author = {{Challenger R and Clegg CW and Robinson MA}},

 note = {{Accessed on 2024/09/20}}}