1. The use of spherical reflectors as microwave scanning aerials;Ashmead;J. Inst. Elec. Eng., Part IIIA,1946
2. Tolerance theory of large antennas;Bracewell;IRE Trans. Antennas Propagat.,1961
3. Propagation and radiation behaviour of corrugated feeds;Clarricoats;Proc. Inst. Elec. Eng.,1971
4. Flare-angle changes in a horn as a means of pattern control;Cohn;Microwave J.,1970