Kendall, Nigel (22 October 2005). "Pursuit Force". The Times. Archived from the original on 29 September 2006. Retrieved 19 February 2017.(subscription required)
Kendall, Nigel (22 October 2005). "Pursuit Force". The Times. Archived from the original on 29 September 2006. Retrieved 19 February 2017.(subscription required)