@article{758613,
      note = {First published 1975 by Cornell University Press. First  printing, Cornell Paperbacks, 1983.},
      author = {O'Callaghan, Joseph F.},
      url = {http://library.usi.edu/record/758613},
      title = {A history of medieval Spain [electronic resource] /},
      recid = {758613},
      pages = {1 online resource (737 pages) :},
}