@article{394857,
      recid = {394857},
      author = {Verhulst, Adriaan E.},
      title = {The Carolingian economy/},
      publisher = {Cambridge University Press,},
      address = {New York :},
      pages = {160 p.},
      year = {2002},
      url = {http://library.usi.edu/record/394857},
}