@article {,
	title = {An Improved Formula of Fundamental Resonance Frequency of a Layered Half-Space Model Used in H/V Ratio Technique},
	journal = {Pure and Applied Geophysics},
	year = {2016},
	pages = {1{\textendash}10},
	author = {Tuan, Tran Thanh and Pham Chi Vinh and Ohrnberger, Matthias and Malischewsky, Peter and Aoudia, Abdelkrim}
}
