@inproceedings{WeigelValenzuelaRusser1992,
  author    = {Robert Weigel and Alejandro A. Valenzuela and Peter H. Russer},
  title     = {YBCO Superconducting Microwave Oscillator},
  series = {22nd European Microwave Conference 1992},
  pages     = {98 -- 100},
  year      = {1992},
  language  = {en}
}