@inproceedings{Valenzuela1989,
  author    = {A. A. Valenzuela},
  title     = {Koplanare Resonanzstrukturen aus Hochtemperatursupraleitern},
  series = {Bergischen Universit{\"a}t Gesamthochschule Wuppertal, Wuppertal, November 1989 – invited seminar},
  year      = {1989},
  language  = {de}
}