@article{394866,
      author = {Warrack, John,},
      url = {http://library.usi.edu/record/394866},
      title = {German opera from the beginnings to Wagner / [electronic  resource] :},
      publisher = {Cambridge University Press,},
      recid = {394866},
      pages = {xiv, 447 p. :},
      address = {Cambridge ;},
      year = {2001},
}