1. L. C. Van Atta Electromagnetic Reflector US Patent 2, 908, 002 Oct. 1959
2. Retrodirective array using the heterodyne technique;Pon;IEE Trans. Anten. Propag.,March 1964
3. E. D. Sharp Properties of the Van Atta Reflector RADC ASTIA April 1958
4. Van Atta reflector array;Sharp;IRE Trans. Anten. Propag.,July 1960
5. A Van Atta reflector consisting of half-wave dipoles;Appel-Hansen;IEE Trans. Anten. Propag.,Nov. 1966