1. Handbook of Mathematical Functions,1964
2. Low Frequency Scattering by Spheroids and Discs I, II and III;Asvestas;J. Inst. Maths Applics,1970
3. Electromagnetic and Acoustic Scattering by Simple Shapes;Bowman,1969
4. Field Theory of Guided Waves;Collin,1960
5. Polarizability of Some Small Apertures;De Meulenaere;IEEE Trans. Antennas Propagat,1977