1. Principles of Optics;Born,1970
2. Calculation of sound radiation from an aperture by means of Kirchhoff's diffraction formula;Hara;J. Acoust. Soc. Amer.,1988
3. The Mathematical Theory of Huygens' Principle;Baker,1950
4. Improved integral formulation for radiation problems;Schenk;J. Acoust. Soc. Amer.,1960
5. The application of integral equation methods to the numerical solution of some exterior boundary value problems;Burton,1971