1. ‘The field distribution of rectangular apertures using surface patch modeling’, Kaman Sciences Corporation, Colo.,
2. Zienkiewicz, O.C.: The finite element method in engineering science, (McGraw-Hill, London 1971)
3. Kouyoumjian, R.G.: ‘The calculation of the echo area of perfectly conducting objects by the variational method’, 1953, Ph.D. dissertation, Ohio State University, Columbus
4. ‘Radiation and scattering by thin wire Structures in the complex frequency domain’, 1974