@article{276773,
      recid = {276773},
      author = {Velasco, Xavier.},
      title = {Diablo guardián /},
      publisher = {Alfaguara,},
      address = {México, D.F. :},
      pages = {500 p. ;},
      year = {2003},
      url = {http://library.usi.edu/record/276773},
}