@THESIS{geer,
  title        = {Earl, Saint, Bishop, Skald~-- and Music~: The {Orkney Earldom}
    of the Twelfth Century. {A} Musicological Study},
  author       = {de Geer, Ingrid},
  type         = {phdthesis},
  date         = {1985},
  institution  = {Uppsala Universitet},
  langid       = {english},
  location     = {Uppsala},
}
