Dergiler / Turkish Journal of Physics / 1995 / Cilt: 19 - Sayı: 11A cavity maser for 85...98 GHz using quasi-optical input feed systemV. M. SHULGA,V. V. MYHENKO,L. B. KNJAS'KOVDergiTurkish Journal of PhysicsSayı1995 · Cilt: 19 - Sayı: 11Sayfa1491–1493DOI—