1. On the bandwidth of cavity antennas;COHEN;J. Appl. Phys.,1954
2. Admittance of a rectangular slot which is backed by a rectangular cavity;GALEJS;IEEE Trans. on Ant. and Prop.,1963
3. Hallen's method in the problem of a cavity-backed rectangular slot antenna;GALEJS;NBS J. Res.,1963
4. Admittance of a cavity-backed annular slot antenna;GALEJS;IRE Trans. on Ant. and Prop.,1962
5. Theory of Linear Antennas;KING,1956