Title : 
Deducing Subsurface Property Gradients from Surface Wave Dispersion Data
         
        
            Author : 
Richardson, John M. ; Tittmann, Bernhard R.
         
        
        
        
        
        
            Keywords : 
Dispersion; Estimation theory; Inverse problems; Mathematical model; Measurement errors; Steel; Surface treatment; Surface waves; Testing; Wavelength measurement;
         
        
        
        
            Conference_Titel : 
1975 Ultrasonics Symposium
         
        
        
            DOI : 
10.1109/ULTSYM.1975.196567