@article{745947,
      recid = {745947},
      author = {Petkov, Kiril,},
      title = {The voices of medieval Bulgaria, seventh-fifteenth century  the records of a bygone culture / [electronic resource] :},
      publisher = {Brill,},
      address = {Leiden ;},
      pages = {xvii, 573 p. :},
      year = {2008},
      url = {http://library.usi.edu/record/745947},
}