1. Keller, J. B., "A geometrical theory of diffraction," Calculus of Variation and Its Applications, Proceeding of Symposia in Applied Mathematics, 37-52, McGraw-Hill Book Co. Inc., 1958.
2. Keller, J. B., "Diffraction by an aperture," J. Appl. Phys., Vol. 28, 426-444, 1957.
doi:10.1063/1.1722767
3. Keller, J. B., "Geometrical theory of diffraction," J. Opt. Soc. of America, Vol. 52, 116-130, 1962.
doi:10.1364/JOSA.52.000116
4. Karp, S. N. and J. B. Keller, "Multiple diffraction by an aperture in hard screen," Optica Acta, Vol. 8, 61-72, 1961.
5. Buchal, R. N. and J. B. Keller, "Boundary layer problems in diffraction theory," Comm. Pure Appl. Math., Vol. 13, 85, 1960.
6. Keller, J. B., "Diffraction by a convex cylinder," Electromagnetic Wave Theory Symposium, 312-321, 1956.
7. Keller, J. B., R. M. Lewis, and B. D. Seckler, "Asymptotic solution of some diffraction problems," Commu. on Pure and Applied Mathematics, Vol. IX, 207-265, 1956.
doi:10.1002/cpa.3160090205
8. Elsherbeni, A. Z. and M. Hamid, "Diffraction by a wide double wedge with rounded edges," IEEE Trans. Antennas Propagat., Vol. 33, No. 9, 1012-1015, 1985.
doi:10.1109/TAP.1985.1143694
9. Twersky, V., "Multiple scattering of radiation by an arbitrary planar configuration of parallel cylinders and by two parallel cylinders," J. Appl. Phys., Vol. 23, 404, 1952.
10. Karp, S., "Diffraction by combination of obstacles," Proc. McGill Symp. Microwave Opt., 196, McGill Univ., Canada, 1953.
11. Karp, S. and J. Radlow, "On resonance in infinite grating of cylinders," IRE Trans. Antenna Propagat., Vol. 4, No. 4, 654, 1956.
doi:10.1109/TAP.1956.1144440
12. Karp, S. and A. Russek, "Diffraction by a wide slit," J. Appl. Phys., Vol. 27, 886, 1956.
doi:10.1063/1.1722509
13. Zitron, N. and S. Karp, "High-order approximation in multiple scattering, I: Two dimensional scalar case," J. Math. Phys., Vol. 2, 394, 1961.
doi:10.1063/1.1703725
14. Zitron, N. and S. Karp, "High-order approximation in multiple scattering, II: Three dimensional scalar case," J. Math. Phys., Vol. 2, 402, 1961.
doi:10.1063/1.1703726
15. Nussenzveig, H., "Solution of diffraction problem," Phil. Trans. Roy. Soc., Vol. 252 (A), 1, London, 1959.
16. Hamid, M., "Diffraction by a slit in an infinite conducting screen," The Fall URSI-PGAP Joint Meeting, Ann Arbor, MI, 1967.
17. Hamid, M., "Mutual coupling between sectoral horns side by side," IEEE Trans. Antennas Propagat., Vol. 15, No. 3, 475, 1967.
doi:10.1109/TAP.1967.1138931
18. Teague, B. and N. Zitron, "Diffraction by an aperture between two wedges," Appl. Sci. Res., Vol. 26, 127, 1972.
doi:10.1007/BF01897842
19. Iskander, M. and M. Hamid, "Near field broad side coupling between two H-plane sectoral horns," IERE, Vol. 48, No. 12, 623, 1978.
20. Menendez, R. C. and S. W. Lee, "On the role of geometrical optics field in aperture diffraction," IEEE Trans. Antennas Propagat., Vol. 25, No. 5, 688, 1977.
doi:10.1109/TAP.1977.1141651
21. Morse, P. M. and P. J. Rubentein, "The diffraction of waves by ribbons and by slits," Phys. Rev., Vol. 54, 895, 1938.
doi:10.1103/PhysRev.54.895
22. Hongo, K. and G. Ishii, "Diffraction of electromagnetic plane wave by thick slit," IERE Trans. Antennas Propagat., Vol. 26, 494, 1978.
doi:10.1109/TAP.1978.1141870
23. Hongo, K. and Q. A. Naqvi, "Diffraction of electromagnetic wave by disk and circular hole in a perfectly conducting plane," Progress In Electromagnetics Research Symposium, Vol. 68, 113-150, 2007.
doi:10.2528/PIER06073102
24. Imran, A., Q. A. Naqvi, and K. Hongo, "Diffraction of plane wave by two parallel slits in an infinitely long impedance plane using the method of kobayashi potential," Progress In Electromagnetics Research, Vol. 63, 107-123, 2006.
doi:10.2528/PIER06042601
25. Clemmow, P. C., "Edge currents in diffraction theory," IRE Trans. Antennas Propagat., Vol. 4, 282-287, 1956.
26. Elsherbeni, A. Z. and M. Hamid, "Diffraction by a wide double wedge," IEEE Trans. Antennas Propagat., Vol. 32, 1262-1265, 1984.
doi:10.1109/TAP.1984.1143231
27. Elsherbeni, A. Z. and M. Hamid, "Scattering by a cylindrical dielectric shell with inhomogeneous permitivity profiles," Int. J. Electron., Vol. 58, 949-962, 1985.
doi:10.1080/00207218508939090
28. Lindell, I. V. and A. H. Sihvola, "Perfect electromagnetic conductor," Journal of Electromagnetic Waves and Applications, Vol. 19, No. 7, 861-869, 2005.
doi:10.1163/156939305775468741
29. Lindell, I. V. and A. H. Sihvola, "Realization of the PEMC boundary," IEEE Trans. Antennas and Propag., Vol. 53, No. 9, 3012-3018, 2005.
doi:10.1109/TAP.2005.854524
30. Lindell, I. V. and A. H. Sihvola, "Transformation method for problems involving perfect electromagnetic conductor (PEMC) structures," IEEE Trans. Antennas and Propag., Vol. 53, No. 9, 3005-3011, 2005.
doi:10.1109/TAP.2005.854519
31. Fiaz, M. A., A. Aziz, A. Ghaffar, and Q. A. Naqvi, "High frequency expression for the field in the caustic region of a PEMC gregorian system using Maslov’s method," Progress In Electromagnetics Research, Vol. 81, 135-148, 2008.
doi:10.2528/PIER08010901
32. Fiaz, M. A., A. Ghaffar, and Q. A. Naqvi, "High frequency expression for the field in the caustic region of a PEMC cylindrical reflector using Maslov's method.," Journal of Electromagnetic Waves and Applications, Vol. 22, 385-397, 2008.
doi:10.1163/156939308784160794
33. James, G. L., Geometrical Theory of Diffraction for Electromagnetic Waves, 60-65, Peter Peregrinus, 1980.
34. Harrington, R. F., Time-Harmonic Electromagnetic Fields, Chapter 5, McGraw-Hill, 1961.
35. Ruppin, R., "Scattering of electromagnetic radiation by a perfect electromagnetic conductor cylinder," Journal of Electromagnetic Waves and Applications, Vol. 20, No. 13, 1853-1860, 2006.
doi:10.1163/156939306779292219
36. Ahmed, S. and Q. A. Naqvi, "Electromagnetic scattering from a perfect electromagnetic conductor cylinder burried in a dielectric half space," Progress In Electromagnetics Research, Vol. 78, 25-38, 2008.
doi:10.2528/PIER07081601
37. Ahmed, S. and Q. A. Naqvi, "Electromagnetic scattering from parallel perfect electromagnetic conductor cylinders of circular cross-sections using an iterative procedure," Journal of Electromagnetic Waves and Applications, Vol. 22, 987-1003, 2008.
doi:10.1163/156939308784150209
38. Elsherbeni, A. Z. and M. Hamid, "Scattering by a double wedge and a parallel cylinder," International Journal of Electronics, Vol. 60, 367-380, 1986.
39. Keller, J. B., "Diffraction by an aperture," J. Appl. Phys., Vol. 28, 426-444, 1957.
doi:10.1063/1.1722767