- Winterproof Switch Systems,
G. van der Werf
Paper 6.121 from CCP: 110, ISBN 978-1-905088-65-2 (2016)
- Predicting Track Geometry Exceedances by Using Digital Signal Processing,
P. Joksimovic and G. van der Werf
Paper 5.89 from CCP: 104, ISBN 978-1-905088-59-1 (2014)
- Decision Support System Availability: Optimal Combination and Allocation of Interventions,
G. van der Werf and F.J. Többen
Paper 24.300 from CCP: 104, ISBN 978-1-905088-59-1 (2014)