Detection of subsurfaces cavities using the spectral-analysis-of-surface-waves method - Al-Shayea, Naser Abdul-Rahman (Ann Arbor : University of Michigan, 1994)
Thesis (Ph.D.) - University of Michigan, 1994
References: p. 259-269
Keywords: Soils -- Testing; Seismic waves; Non-destructive testing; Spectrum analysis; Holes; Surfaces