TY - BOOK AU - Al-Shayea,Naser Abdul-Rahman TI - Detection of subsurfaces cavities using the spectral-analysis-of-surface-waves method PY - 1994/// CY - Ann Arbor PB - University of Michigan KW - Soils KW - Testing KW - Seismic waves KW - Non-destructive testing KW - Spectrum analysis KW - Holes KW - Surfaces N1 - Thesis (Ph.D.) - University of Michigan, 1994; References: p. 259-269 ER -