@conference {SIEEUM4464,
	title = {Determination of the small-strain stiffness of hard soils by means of bender elements and accelerometers},
	journal = {Proceedings of the 15th European Conference on Soil Mechanics and Geotechnical Engineering},
	year = {2011},
	month = {2011-01-01 00:00:00},
	pages = {179{\textendash}184},
	publisher = {IOS Press},
	address = {Atenas Gr{\'e}cia},
	keywords = {Accelerometers, Bender elements, Hard soils, Small-strain stiffness},
	isbn = {978-1-60750-801-4},
	url = {http://sieeum.eng.uminho.pt/publicacoes/pub.aspx?pubid=4464},
	author = {Ferreira, C. and Martins, J. P. and Correia, A. G.}
}