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Is it safe in numbers?

Authors

  1. Correspondence to Dr Nicola Christie, Centre for Transport Studies, UCL, Gower Street, London WC1E 6BT, UK; Nicola.christie{at}ucl.ac.uk
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Citation

Christie N, Pike I
Is it safe in numbers?

Publication history

  • Received May 18, 2015
  • Accepted May 21, 2015
  • First published July 21, 2015.
Online issue publication 
May 13, 2016

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