@article{867691,
      author = {Leszka, Mirosław J., and Marinow, Kirił, and Genova,  Lyubomira, and Majer, Marke, and Mękarski, Artur, and  Zytka, Michal,},
      url = {http://library.usi.edu/record/867691},
      title = {The Bulgarian State in 927-969 : the epoch of Tsar Peter I  /},
      recid = {867691},
      pages = {1 online resource (xi, 686 pages) :},
}