@article{1459720,
      author = {Pranke, Piotr, and Zecevic, Milos, and Romanek, Micha,},
      url = {http://library.usi.edu/record/1459720},
      title = {Medieval trade in Central Europe, Scandinavia, and the  Balkans (10th-12th centuries) : a comparative study /},
      recid = {1459720},
      pages = {1 online resource (274 pages).},
}