- Correspondence to Professor Debra J Carr, Impact and Armour Group, Cranfield University, Shrivenham, UK;
- Received November 21, 2018
- Revision received March 30, 2019
- Accepted April 1, 2019
- First published June 6, 2019.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.