@article {156856,
	title = {Application of low frequency GPR antenna to fractures detection and 3D visualization in a new quarry bench},
	journal = {Journal of Geology and Geophysics},
	volume = {5},
	year = {2016},
	pages = {47},
	author = {M. Elkarmoty and C. Colla and E. Gabrielli and S. Bondu{\`a} and R. Bruno}
}
