1. Tai, C.-T.: Dyadic Green's function in electromagnetic theory, (Intext Educational Publishers, Scranton 1971)
2. Rusch, W.V.T., and Potter, P.D.: Analysis of reflector antennas, (Academic Press 1970)
3. ‘The wide angle sidelobes of reflector antennas’, Ohio State University, Electro Science Laboratory, 1970
4. Rusch, W.V.T.: Antenna notes, (Electromagnetics Institute, Technical University of Denmark, NB 84