@article{279648,
      author = {Potter, John,},
      url = {http://library.usi.edu/record/279648},
      title = {The Cambridge companion to singing /},
      publisher = {Cambridge University Press,},
      recid = {279648},
      pages = {x, 286 p. :},
      address = {Cambridge, UK ;},
      year = {2000},
}