@article{451130,
      author = {Booker, Courtney M.},
      url = {http://library.usi.edu/record/451130},
      title = {Past convictions the penance of Louis the Pious and the  decline of the Carolingians / [electronic resource] :},
      publisher = {University of Pennsylvania Press,},
      recid = {451130},
      pages = {viii, 420 p. :},
      address = {Philadelphia :},
      year = {2009},
}