@proceedings {14601,
	title = {Flexible retaining structures supported by anchor beams: the problem of tie-rod length},
	journal = {Proceedings of the 16th European Conference on Soil Mechanics and Geotechnical Engineering},
	year = {2015},
	pages = {949-954},
	publisher = {3},
	address = {Edimburgo, Esc{\'o}cia},
	author = {R. Leal and A. Nunes Ant{\~a}o and Guerra, N. M. C.}
}
