1. Bailey, A.E. (1985) Microwave measurements, Peter Peregrinus.
2. Chantry, C.W. (1979) Modern aspects of microwave spectroscopy, Academic Press. Harvey, R.F. (1963) Microwave engineering, Academic Press.
3. Skolnik, M.I. (1962) Introduction to radar system, McGraw Hill Book
4. Company. Slater, J.C. (1950) Microwave electronics, Van Nostrand.
5. Alley, G. and Han-Chiu-Wang (1979) An ultralow noise microwave synthesiser, IEEE Trans. on Microwave Theory and Techiques, 27, No. 12, 969–974.