1. Slotted linear arrays;Fry;J. Inst. Elec. Eng.,1946
2. Slot aerials;Bookers;J. Inst. Elec. Eng.,1946
3. The design of a waveguide-fed array of slots to give a specified radiation pattern;Cullen;Inst. Elec. Eng.,1946
4. “The Physical Principles of Waveguide Transmission and Antenna Systems.”;Watson,1947
5. Certain factors affecting the gain of directive antennas;Southworth;Proc. IRE,1930