1. BBC Radio Transmitting Stations 1991; BBC Television Transmitting Stations 1990 BBC Engineering Information, White City, London
2. A Handbook of Fourier Theorems;Champeney,1987
3. An Introduction to Applied Electromagnetism;Christopoulos,1990
4. Discrete Fourier Transforms and their Applications;Cízek,1986
5. Electromagnetic Compatibility;Goedbloed,1992