1. Roots of Stoneley wave equation for solid-liquid interface;Ansell;Pure Appl. Geophys.,1972
2. Quantitative relation between properties and microstructure;Brandon,1969
3. Theory of Seismic Head Waves;Červený,1971
4. Elastic Waves in Layered Media;Ewing,1957
5. Theory of Functions of Complex Variables;Forsyth,1918