- Track-Ground Vibrations on a Stretch of the Portuguese Railway Network,
 N. Correia dos Santos, A. Colaço, P. Alves Costa and R. Calçada
 Paper 26.271 from CCP: 110, ISBN 978-1-905088-65-2 (2016)
 
- Implementation of a Three-Dimensional Time Domain Formulation for the Prediction of Vehicle Induced Vibrations,
 N. Correia dos Santos, J. Barbosa, R. Calçada, A. Azevedo and R. Delgado
 Paper 33 from CCP: 93, ISBN 978-1-905088-38-6 (2010)
 
