Kitamura, R., Yamamoto, T., Susilo, Y. and Axhausen, K. W.
How routine is a routine? An analysis of the day-to-day variability in prism vertex location.
Transportation Research Part A Policy and Practice, 40 (3).
Available from: http://eprints.uwe.ac.uk/9200
Susilo, Y. and Axhausen, K. W.
How firm are you? A study of the stability of individual activity-travel-location pattern using Herfindahl Index.
11th World conference on Transport Research (WCTR), Berkely, CA, USA, 2007.
Available from: http://eprints.uwe.ac.uk/9958