- Railway Ballast Settlement: A New Predictive Model,
G. Saussine, J.C. Quezada, P. Breul and F. Radjai
Paper 7.121 from CCP: 104, ISBN 978-1-905088-59-1 (2014)
- Modelling the Railway Track Infrastructure Variability for Maintenance Operations Optimization,
N. Rhayma, Ph. Bressolette, P. Breul and S. Costa D'Aguiar
Paper 53 from CCP: 98, ISBN 978-1-905088-53-9 (2012)