1. Yates, B.C., and Larson, W.: Millimeter attenuation and reflection coefficient measurement system, 1972 July), p. 4–7 NBS Tech. Note 619
2. Atwater, H.A.: Introduction to microwave theory, (McGraw-Hill 1962), p. 19 See, for example
3. Jordan, E.C., and Balwain, K.G.: Electromagnetic waves and radiating systems, 2nd edn(Prentice-Hall 1968), p. 264
4. Marcuvitz, N.: Waveguide handbook, 1st edn(McGraw-Hill 1951),See, for example