David Christie
- Improved Performance of Railway Ballast under Impact Loads Using Shock Mats. Dans: Journal of Geotechnical and Geoenvironmental Engineering, v. 138, n. 3 (mars 2012). (2012):
- Field Assessment of the Performance of a Ballasted Rail Track with and without Geosynthetics. Dans: Journal of Geotechnical and Geoenvironmental Engineering, v. 136, n. 7 (juillet 2010). (2010):