1. Johnson, R.C., Jasik, H., Antenna engineering hand-book, 2nd edn, Chap. 17,
2. Johnson, R.C., Jasik, H., Antenna engineering hand-book, 2nd edn, Chap. 20,
3. Munson, R.E.: et al. ‘Microstrip reflectarray for satellite communications and RCS enhancement or reduction’, US, (Patent 4684952)