@article{83061,
      author = {Clagett, Marshall,},
      url = {http://library.usi.edu/record/83061},
      title = {Twelfth-century Europe and the foundations of modern  society;},
      publisher = {University of Wisconsin Press,},
      recid = {83061},
      pages = {xvi, 219 p.},
      address = {Madison,},
      year = {1966},
}