@article{2721,
      author = {Bonner, Anthony,},
      url = {http://library.usi.edu/record/2721},
      title = {Songs of the troubadours.},
      publisher = {Schocken Books},
      recid = {2721},
      pages = {312 p.},
      address = {New York,},
      year = {1972},
}