@article{301999,
      recid = {301999},
      author = {Hawking, Stephen,},
      title = {God created the integers : the mathematical breakthroughs  that changed history /},
      publisher = {Running Press,},
      address = {Philadelphia, Pa. :},
      pages = {xiii, 1160 p. ;},
      year = {2005},
      url = {http://library.usi.edu/record/301999},
}