1. Bahl, I.J., and Bhartia, P.: Microstrip antennas, (Artech House, Dedham 1980)
2. James, J.R., Hall, P.S., and Wood, C.: ‘Microstrip antenna—theory and design’, IEE Electromagnetic wave series 12, (Peter Peregrinus 1981)
3. ‘Theoretical investigation of the microstrip antenna’, Technical report, 00929, Physical Science Laboratory, New Mexico State University, Las Cruces, New Mexico, 1979
4. Penard, E.: ‘Etude d'antennes imprimées par la méthode de la cavité’, 1982, Thesis, Rennes