1. A new method of measuring the permittivity of a material in the millimetre and submillimetre bands;Pilipenko;Zh. tekh. fiz.,1969
2. The electric-dipole resonances of ring resonators of very high permittivity;Verplanken;IEEE Trans.,1976
3. On a method of measuring the field distribution in an open resonator;Valitov;Zh. eksperim.i teor. fiz.,1964
4. Diffraction electronics;Shestopalov,1976
5. Open resonators and open waveguides;Vainshtein,1966