RT Journal Article ID 559ac2e075278adb A1 Kogut, A. Ye. A1 Kutuzov, V. V. A1 Filippov, Yu. F. A1 Kharkovsky, S. N. T1 Whispering-Mode Quasi-Optical Hemispherical Dielectric Resonator JF Telecommunications and Radio Engineering JO TRE YR 1998 FD 1998-02-10 VO 52 IS 2 SP 1 OP 8 AB PB Begell House LK https://www.dl.begellhouse.com/journals/0632a9d54950b268,6b678762439b78a9,559ac2e075278adb.html