@article{44501,
      author = {Haskins, Charles Homer,},
      url = {http://library.usi.edu/record/44501},
      title = {The Renaissance of the twelfth century.},
      publisher = {Meridian Books,},
      recid = {44501},
      pages = {437 p.},
      address = {New York,},
      year = {1957},
}