@conference {3483,
	title = {Ground Vibrations Induced by High-Speed Trains in Regions with Sudden Foundation Stiffness Change},
	booktitle = {Proceedings of the 11th International Conference on Civil, Structural and Environmental Engineering Computing},
	year = {2007},
	address = {St. Julians, Malta},
	author = {Z. Dimitrovov{\'a} and Varandas, J.N. and Silva, M. A. G.}
}
