@conference {5790,
	title = {Non-linear Elastic Behaviour of Unbound Aggregates in FEM representing Railway Transition Zones},
	booktitle = {Proceedings of the Second International Conference on Railway Technology: Research, Development and Maintenance},
	year = {2014},
	publisher = {Civil-Comp Press},
	organization = {Civil-Comp Press},
	address = {Ajaccio, France},
	author = {Varandas, J.N. and A. Paix{\~a}o and Fortunato, E. and P. Holscher and R. Cal{\c c}ada}
}
