[1] Stratton, J.A., Electromagnetic Theory , McGraw-Hill, New York, 1941, pp. 501 502.

[2] Collin, R.E., Field Theory of Guided Waves , 2nd ed. IEEE Press, Piscataway, NJ, 1991, pp. 184 192.

[3] Kerns, D.M., and R.W.Beatty, Basic Theory of Waveguide Junctions and Introductory Microwave Network Analysis , Pergamon Press, New York, 1967.

[4] Collin, R.E., Foundations for Microwave Engineering , McGraw-Hill, New York, 1966, pp. 224 237.

[5] Salisbury, W.W., Absorbent Body for Electromagnetic Waves, U.S. Patent No. 2, 599, 944, June 10, 1952.

[6] Ruck, G.T., Complex Bodies, Radar Cross Section Handbook , G.T.Ruck (ed.) Plenum Press, New York, 1970, Chap. 8.

[7] Redheffer, R., The Dependence of Reflection on Incidence Angle, IRE Trans. on Microwave Theory and Techniques , Vol. MTT-7, October 1959, pp. 423 429.

[8] Knott, E.F., The Thickness Criterion for Single-Layer Radar Absorbents, IEEE Trans. on Antennas and Propagation, Vol. AP-27, September 1979, pp. 698 701.

[9] Gauss, A., A New Type of EM Absorbing Coating, U.S. Army Ballistic Research Laboratory, June 1982, AD A117472.

[10] Connolly, T.M., and E.J.Luoma, Microwave Absorbers, U.S. Patent No. 4, 038, 660, July 26, 1977.

[11] Simmons, A.J., and W.H.Emerson, Anechoic Chambers for Microwaves, Tele-Tech and Electronic Industries , July 1953, pp. 47 49.

[12] Eccosorb H., Hair Type, Broadband Microwave Absorber, Technical Bulletin 8 21, Emerson and Cuming, January 1973.

[13] Advance Information, External Netting Absorber (ENA), Plessey Materials, Plessey UK Limited, April 19, 1983.

[14] Emerson, W.H., Electromagnetic Wave Absorbers, Useful Tools for Engineers, ...